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Vulnerability Details :

CVE-2021-34202

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-16 Jun, 2021 | 18:56
Updated At-04 Aug, 2024 | 00:05
Rejected At-
Credits

There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640) 1.01B04. Ordinary permissions can be elevated to administrator permissions, resulting in local arbitrary code execution. An attacker can combine other vulnerabilities to further achieve the purpose of remote code execution.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:16 Jun, 2021 | 18:56
Updated At:04 Aug, 2024 | 00:05
Rejected At:
▼CVE Numbering Authority (CNA)

There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640) 1.01B04. Ordinary permissions can be elevated to administrator permissions, resulting in local arbitrary code execution. An attacker can combine other vulnerabilities to further achieve the purpose of remote code execution.

Affected Products
Vendor
n/a
Product
n/a
Versions
Affected
  • n/a
Problem Types
TypeCWE IDDescription
textN/An/a
Type: text
CWE ID: N/A
Description: n/a
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
http://d-link.com
x_refsource_MISC
https://www.dlink.com/en/security-bulletin/
x_refsource_MISC
http://dir-2640-us.com
x_refsource_MISC
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34202
x_refsource_MISC
Hyperlink: http://d-link.com
Resource:
x_refsource_MISC
Hyperlink: https://www.dlink.com/en/security-bulletin/
Resource:
x_refsource_MISC
Hyperlink: http://dir-2640-us.com
Resource:
x_refsource_MISC
Hyperlink: https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34202
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
http://d-link.com
x_refsource_MISC
x_transferred
https://www.dlink.com/en/security-bulletin/
x_refsource_MISC
x_transferred
http://dir-2640-us.com
x_refsource_MISC
x_transferred
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34202
x_refsource_MISC
x_transferred
Hyperlink: http://d-link.com
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.dlink.com/en/security-bulletin/
Resource:
x_refsource_MISC
x_transferred
Hyperlink: http://dir-2640-us.com
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34202
Resource:
x_refsource_MISC
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:16 Jun, 2021 | 19:15
Updated At:14 Feb, 2024 | 01:17

There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640) 1.01B04. Ordinary permissions can be elevated to administrator permissions, resulting in local arbitrary code execution. An attacker can combine other vulnerabilities to further achieve the purpose of remote code execution.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary2.07.2HIGH
AV:L/AC:L/Au:N/C:C/I:C/A:C
Type: Primary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 7.2
Base severity: HIGH
Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CPE Matches

D-Link Corporation
dlink
>>dir-2640-us_firmware>>1.01b04
cpe:2.3:o:dlink:dir-2640-us_firmware:1.01b04:*:*:*:*:*:*:*
D-Link Corporation
dlink
>>dir-2640-us>>-
cpe:2.3:h:dlink:dir-2640-us:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-787Primarynvd@nist.gov
CWE ID: CWE-787
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
http://d-link.comcve@mitre.org
Vendor Advisory
http://dir-2640-us.comcve@mitre.org
Broken Link
URL Repurposed
https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34202cve@mitre.org
Exploit
Third Party Advisory
https://www.dlink.com/en/security-bulletin/cve@mitre.org
Vendor Advisory
Hyperlink: http://d-link.com
Source: cve@mitre.org
Resource:
Vendor Advisory
Hyperlink: http://dir-2640-us.com
Source: cve@mitre.org
Resource:
Broken Link
URL Repurposed
Hyperlink: https://github.com/liyansong2018/CVE/tree/main/2021/CVE-2021-34202
Source: cve@mitre.org
Resource:
Exploit
Third Party Advisory
Hyperlink: https://www.dlink.com/en/security-bulletin/
Source: cve@mitre.org
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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Product-dir-3040_firmwaredir-3040DIR-3040dir-3040_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41210
Matching Score-6
Assigner-Zero Day Initiative
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Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-2.77% / 86.13%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
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D-Link DAP-1325 SetHostIPv6StaticSettings StaticDNS2 Stack-based Buffer Overflow Remote Code Execution Vulnerability

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Assigner-Zero Day Initiative
CVSS Score-6.8||MEDIUM
EPSS-0.72% / 72.54%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-15 May, 2025 | 12:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DIR-3040 prog.cgi SetMyDLinkRegistration Stack-Based Buffer Overflow Remote Code Execution Vulnerability

D-Link DIR-3040 prog.cgi SetMyDLinkRegistration Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a fixed-size stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21652.

Action-Not Available
Vendor-D-Link Corporation
Product-dir-3040_firmwaredir-3040DIR-3040dir-3040_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41216
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-6.8||MEDIUM
EPSS-0.72% / 72.54%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-15 May, 2025 | 12:43
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DIR-3040 prog.cgi SetDynamicDNSSettings Stack-Based Buffer Overflow Remote Code Execution Vulnerability

D-Link DIR-3040 prog.cgi SetDynamicDNSSettings Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21616.

Action-Not Available
Vendor-D-Link Corporation
Product-dir-3040_firmwaredir-3040DIR-3040dir-3040_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-5211
Matching Score-6
Assigner-VulDB
ShareView Details
Matching Score-6
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.04% / 11.85%
||
7 Day CHG+0.01%
Published-31 Mar, 2026 | 19:30
Updated-02 Apr, 2026 | 17:14
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DNS-1550-04 app_mgr.cgi UPnP_AV_Server_Path_Del stack-based overflow

A flaw has been found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. This vulnerability affects the function UPnP_AV_Server_Path_Del of the file /cgi-bin/app_mgr.cgi. Executing a manipulation of the argument f_dir can lead to stack-based buffer overflow. The attack can be executed remotely. The exploit has been published and may be used.

Action-Not Available
Vendor-D-Link Corporation
Product-dns-320lwdns-322l_firmwaredns-1100-4_firmwaredns-345dnr-326_firmwaredns-327ldns-326_firmwarednr-326dns-327l_firmwaredns-321_firmwaredns-322ldns-320_firmwaredns-120dns-321dns-343dns-315l_firmwaredns-315ldns-340ldnr-202ldns-320lw_firmwaredns-325_firmwaredns-1550-04_firmwaredns-120_firmwaredns-320ldns-1200-05dns-726-4_firmwaredns-1200-05_firmwaredns-726-4dns-320l_firmwaredns-1550-04dns-325dns-323_firmwaredns-343_firmwaredns-340l_firmwaredns-323dns-326dnr-202l_firmwaredns-345_firmwaredns-320dns-1100-4DNS-321DNS-323DNS-1550-04DNS-1100-4DNS-327LDNR-202LDNS-320LWDNR-322LDNS-345DNS-320DNS-1200-05DNS-340LDNS-320LDNS-326DNR-326DNS-315LDNS-726-4DNS-325DNS-120DNS-343
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41211
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-2.77% / 86.13%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-12 Mar, 2025 | 17:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-1325 SetHostIPv6StaticSettings StaticPrefixLength Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-1325 SetHostIPv6StaticSettings StaticPrefixLength Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1325 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of XML data provided to the HNAP1 SOAP endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-18837.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-1325_firmwaredap-1325DAP-1325dap-1325_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41207
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-2.77% / 86.13%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-12 Mar, 2025 | 17:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-1325 SetHostIPv6StaticSettings StaticAddress Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-1325 SetHostIPv6StaticSettings StaticAddress Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1325 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of XML data provided to the HNAP1 SOAP endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-18833.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-1325_firmwaredap-1325DAP-1325dap-1325
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41224
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-6.8||MEDIUM
EPSS-0.47% / 64.79%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-15 May, 2025 | 12:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DIR-3040 prog.cgi SetDeviceSettings Stack-Based Buffer Overflow Remote Code Execution Vulnerability

D-Link DIR-3040 prog.cgi SetDeviceSettings Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a fixed-size stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21650.

Action-Not Available
Vendor-D-Link Corporation
Product-dir-3040_firmwaredir-3040DIR-3040dir-3040
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41204
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-2.77% / 86.13%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-12 Mar, 2025 | 17:36
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-1325 SetAPLanSettings SecondaryDNS Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-1325 SetAPLanSettings SecondaryDNS Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1325 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of XML data provided to the HNAP1 SOAP endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-18830.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-1325_firmwaredap-1325DAP-1325dap-1325_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41205
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-2.77% / 86.13%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-12 Mar, 2025 | 17:36
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-1325 SetAPLanSettings SubnetMask Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-1325 SetAPLanSettings SubnetMask Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1325 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of XML data provided to the HNAP1 SOAP endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-18831.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-1325_firmwaredap-1325DAP-1325dap-1325_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41228
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-6.8||MEDIUM
EPSS-0.72% / 72.54%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-15 May, 2025 | 12:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DIR-3040 prog.cgi SetUsersSettings Stack-Based Buffer Overflow Remote Code Execution Vulnerability

D-Link DIR-3040 prog.cgi SetUsersSettings Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a fixed-size stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21654.

Action-Not Available
Vendor-D-Link Corporation
Product-dir-3040_firmwaredir-3040DIR-3040dir-3040
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41208
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-2.77% / 86.13%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-12 Mar, 2025 | 17:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-1325 SetHostIPv6StaticSettings StaticDefaultGateway Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-1325 SetHostIPv6StaticSettings StaticDefaultGateway Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1325 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of XML data provided to the HNAP1 SOAP endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-18834.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-1325_firmwaredap-1325DAP-1325dap-1325_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41227
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-6.8||MEDIUM
EPSS-0.72% / 72.54%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-15 May, 2025 | 12:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DIR-3040 prog.cgi SetTriggerPPPoEValidate Stack-Based Buffer Overflow Remote Code Execution Vulnerability

D-Link DIR-3040 prog.cgi SetTriggerPPPoEValidate Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a fixed-size stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21653.

Action-Not Available
Vendor-D-Link Corporation
Product-dir-3040_firmwaredir-3040DIR-3040dir-3040
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-5212
Matching Score-6
Assigner-VulDB
ShareView Details
Matching Score-6
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.14% / 33.21%
||
7 Day CHG+0.03%
Published-31 Mar, 2026 | 20:15
Updated-03 Apr, 2026 | 16:40
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DNS-1550-04 webdav_mgr.cgi Webdav_Upload_File stack-based overflow

A vulnerability has been found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. This issue affects the function Webdav_Upload_File of the file /cgi-bin/webdav_mgr.cgi. The manipulation of the argument f_file leads to stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used.

Action-Not Available
Vendor-D-Link Corporation
Product-dns-320lwdns-322l_firmwaredns-1100-4_firmwaredns-345dnr-326_firmwaredns-327ldns-326_firmwarednr-326dns-327l_firmwaredns-321_firmwaredns-322ldns-320_firmwaredns-120dns-321dns-343dns-315l_firmwaredns-315ldns-340ldnr-202ldns-320lw_firmwaredns-325_firmwaredns-1550-04_firmwaredns-120_firmwaredns-320ldns-1200-05dns-726-4_firmwaredns-1200-05_firmwaredns-726-4dns-320l_firmwaredns-1550-04dns-325dns-323_firmwaredns-343_firmwaredns-340l_firmwaredns-323dns-326dnr-202l_firmwaredns-345_firmwaredns-320dns-1100-4DNS-321DNS-323DNS-1550-04DNS-1100-4DNS-327LDNR-202LDNS-320LWDNR-322LDNS-345DNS-320DNS-1200-05DNS-340LDNS-320LDNS-326DNR-326DNS-315LDNS-726-4DNS-325DNS-120DNS-343
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41220
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-6.8||MEDIUM
EPSS-0.72% / 72.54%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-15 May, 2025 | 12:43
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DIR-3040 prog.cgi SetSysEmailSettings Stack-Based Buffer Overflow Remote Code Execution Vulnerability

D-Link DIR-3040 prog.cgi SetSysEmailSettings Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a fixed-size stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21620.

Action-Not Available
Vendor-D-Link Corporation
Product-dir-3040_firmwaredir-3040DIR-3040dir-3040_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41209
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-2.77% / 86.13%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-12 Mar, 2025 | 17:37
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-1325 SetHostIPv6StaticSettings StaticDNS1 Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-1325 SetHostIPv6StaticSettings StaticDNS1 Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1325 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of XML data provided to the HNAP1 SOAP endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-18835.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-1325_firmwaredap-1325DAP-1325dap-1325_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41223
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-6.8||MEDIUM
EPSS-0.47% / 64.79%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-15 May, 2025 | 12:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DIR-3040 prog.cgi SetQuickVPNSettings PSK Stack-Based Buffer Overflow Remote Code Execution Vulnerability

D-Link DIR-3040 prog.cgi SetQuickVPNSettings PSK Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a fixed-size stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21623.

Action-Not Available
Vendor-D-Link Corporation
Product-dir-3040_firmwaredir-3040DIR-3040dir-3040_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41203
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-2.77% / 86.13%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:11
Updated-12 Mar, 2025 | 17:36
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-1325 SetAPLanSettings PrimaryDNS Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-1325 SetAPLanSettings PrimaryDNS Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1325 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of XML data provided to the HNAP1 SOAP endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-18829.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-1325_firmwaredap-1325DAP-1325dap-1325_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41214
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-2.77% / 86.13%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-12 Mar, 2025 | 17:40
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-1325 setDhcpAssignRangeUpdate lan_ipaddr Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-1325 setDhcpAssignRangeUpdate lan_ipaddr Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1325 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of XML data provided to the HNAP1 SOAP endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-18841.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-1325_firmwaredap-1325DAP-1325dap-1325_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41229
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-0.52% / 66.77%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-15 May, 2025 | 12:44
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DIR-3040 HTTP Request Processing Referer Heap-Based Buffer Overflow Remote Code Execution Vulnerability

D-Link DIR-3040 HTTP Request Processing Referer Heap-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21671.

Action-Not Available
Vendor-D-Link Corporation
Product-dir-3040_firmwaredir-3040DIR-3040dir-3040_firmware
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41212
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-2.77% / 86.13%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-12 Mar, 2025 | 17:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-1325 SetTriggerAPValidate Key Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-1325 SetTriggerAPValidate Key Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1325 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of XML data provided to the HNAP1 SOAP endpoint. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-18839.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-1325_firmwaredap-1325DAP-1325dap-1325
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-41217
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-7.1||HIGH
EPSS-0.72% / 72.62%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:12
Updated-15 May, 2025 | 12:43
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DIR-3040 prog.cgi SetQuickVPNSettings Password Stack-Based Buffer Overflow Remote Code Execution Vulnerability

D-Link DIR-3040 prog.cgi SetQuickVPNSettings Password Stack-Based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-3040 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver listening on TCP ports 80 and 443. The issue results from the lack of proper validation of a user-supplied string before copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-21617.

Action-Not Available
Vendor-D-Link Corporation
Product-dir-3040_firmwaredir-3040DIR-3040dir-3040_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-4214
Matching Score-6
Assigner-VulDB
ShareView Details
Matching Score-6
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.06% / 18.30%
||
7 Day CHG~0.00%
Published-16 Mar, 2026 | 04:32
Updated-19 Mar, 2026 | 14:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DNS-1550-04 app_mgr.cgi UPnP_AV_Server_Path_Setting stack-based overflow

A flaw has been found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. This issue affects the function UPnP_AV_Server_Path_Setting of the file /cgi-bin/app_mgr.cgi. Executing a manipulation can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.

Action-Not Available
Vendor-D-Link Corporation
Product-dns-320lwdns-322l_firmwaredns-1100-4_firmwaredns-345dnr-326_firmwaredns-327ldns-326_firmwarednr-326dns-327l_firmwaredns-321_firmwaredns-322ldns-320_firmwaredns-120dns-321dns-343dns-315l_firmwaredns-315ldns-340ldnr-202ldns-320lw_firmwaredns-325_firmwaredns-1550-04_firmwaredns-120_firmwaredns-320ldns-1200-05dns-726-4_firmwaredns-1200-05_firmwaredns-726-4dns-320l_firmwaredns-1550-04dns-325dns-323_firmwaredns-343_firmwaredns-340l_firmwaredns-323dns-326dnr-202l_firmwaredns-345_firmwaredns-320dns-1100-4DNS-321DNS-323DNS-1550-04DNS-1100-4DNS-327LDNR-202LDNS-320LWDNR-322LDNS-345DNS-320DNS-1200-05DNS-340LDNS-320LDNS-326DNR-326DNS-315LDNS-726-4DNS-325DNS-120DNS-343
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-4211
Matching Score-6
Assigner-VulDB
ShareView Details
Matching Score-6
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.06% / 18.30%
||
7 Day CHG~0.00%
Published-16 Mar, 2026 | 03:32
Updated-19 Mar, 2026 | 14:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DNS-1550-04 local_backup_mgr.cgi Local_Backup_Info stack-based overflow

A weakness has been identified in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. Affected by this issue is the function Local_Backup_Info of the file /cgi-bin/local_backup_mgr.cgi. This manipulation of the argument f_idx causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.

Action-Not Available
Vendor-D-Link Corporation
Product-dns-320lwdns-322l_firmwaredns-1100-4_firmwaredns-345dnr-326_firmwaredns-327ldns-326_firmwarednr-326dns-327l_firmwaredns-321_firmwaredns-322ldns-320_firmwaredns-120dns-321dns-343dns-315l_firmwaredns-315ldns-340ldnr-202ldns-320lw_firmwaredns-325_firmwaredns-1550-04_firmwaredns-120_firmwaredns-320ldns-1200-05dns-726-4_firmwaredns-1200-05_firmwaredns-726-4dns-320l_firmwaredns-1550-04dns-325dns-323_firmwaredns-343_firmwaredns-340l_firmwaredns-323dns-326dnr-202l_firmwaredns-345_firmwaredns-320dns-1100-4DNS-321DNS-323DNS-1550-04DNS-1100-4DNS-327LDNR-202LDNS-320LWDNR-322LDNS-345DNS-320DNS-1200-05DNS-340LDNS-320LDNS-326DNR-326DNS-315LDNS-726-4DNS-325DNS-120DNS-343
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-4486
Matching Score-6
Assigner-VulDB
ShareView Details
Matching Score-6
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.09% / 25.49%
||
7 Day CHG~0.00%
Published-20 Mar, 2026 | 14:02
Updated-03 Apr, 2026 | 19:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DIR-513 Web Service formEasySetPassword stack-based overflow

A vulnerability was found in D-Link DIR-513 1.10. This affects the function formEasySetPassword of the file /goform/formEasySetPassword of the component Web Service. The manipulation of the argument curTime results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.

Action-Not Available
Vendor-D-Link Corporation
Product-dir-513_firmwaredir-513DIR-513
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-37791
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-12.47% / 93.96%
||
7 Day CHG~0.00%
Published-17 Jul, 2023 | 00:00
Updated-31 Oct, 2024 | 15:11
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

D-Link DIR-619L v2.04(TW) was discovered to contain a stack overflow via the curTime parameter at /goform/formLogin.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-619ldir-619l_firmwaren/adir-619l
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-4212
Matching Score-6
Assigner-VulDB
ShareView Details
Matching Score-6
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.06% / 18.30%
||
7 Day CHG~0.00%
Published-16 Mar, 2026 | 03:32
Updated-19 Mar, 2026 | 14:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DNS-1550-04 download_mgr.cgi Downloads_Schedule_Info stack-based overflow

A security vulnerability has been detected in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. This affects the function Downloads_Schedule_Info of the file /cgi-bin/download_mgr.cgi. Such manipulation leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.

Action-Not Available
Vendor-D-Link Corporation
Product-dns-320lwdns-322l_firmwaredns-1100-4_firmwaredns-345dnr-326_firmwaredns-327ldns-326_firmwarednr-326dns-327l_firmwaredns-321_firmwaredns-322ldns-320_firmwaredns-120dns-321dns-343dns-315l_firmwaredns-315ldns-340ldnr-202ldns-320lw_firmwaredns-325_firmwaredns-1550-04_firmwaredns-120_firmwaredns-320ldns-1200-05dns-726-4_firmwaredns-1200-05_firmwaredns-726-4dns-320l_firmwaredns-1550-04dns-325dns-323_firmwaredns-343_firmwaredns-340l_firmwaredns-323dns-326dnr-202l_firmwaredns-345_firmwaredns-320dns-1100-4DNS-321DNS-323DNS-1550-04DNS-1100-4DNS-327LDNR-202LDNS-320LWDNR-322LDNS-345DNS-320DNS-1200-05DNS-340LDNS-320LDNS-326DNR-326DNS-315LDNS-726-4DNS-325DNS-120DNS-343
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-37323
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-1.23% / 79.27%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 01:58
Updated-13 May, 2025 | 14:00
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-2622 DDP Set SSID List PSK Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-2622 DDP Set SSID List PSK Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2622 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DDP service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-20101.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-2622dap-2622_firmwareDAP-2622dap_2622_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-37312
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-2.20% / 84.54%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 01:58
Updated-13 May, 2025 | 13:55
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-2622 DDP Set Device Info Device Name Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-2622 DDP Set Device Info Device Name Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2622 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DDP service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-20089.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-2622dap-2622_firmwareDAP-2622dap_2622_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2026-4213
Matching Score-6
Assigner-VulDB
ShareView Details
Matching Score-6
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.08% / 23.13%
||
7 Day CHG~0.00%
Published-16 Mar, 2026 | 04:02
Updated-19 Mar, 2026 | 14:31
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DNS-1550-04 gui_mgr.cgi cgi_myfavorite_verify stack-based overflow

A vulnerability was detected in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20260205. This vulnerability affects the function cgi_myfavorite_del_user/cgi_myfavorite_verify of the file /cgi-bin/gui_mgr.cgi. Performing a manipulation results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.

Action-Not Available
Vendor-D-Link Corporation
Product-dns-320lwdns-322l_firmwaredns-1100-4_firmwaredns-345dnr-326_firmwaredns-327ldns-326_firmwarednr-326dns-327l_firmwaredns-321_firmwaredns-322ldns-320_firmwaredns-120dns-321dns-343dns-315l_firmwaredns-315ldns-340ldnr-202ldns-320lw_firmwaredns-325_firmwaredns-1550-04_firmwaredns-120_firmwaredns-320ldns-1200-05dns-726-4_firmwaredns-1200-05_firmwaredns-726-4dns-320l_firmwaredns-1550-04dns-325dns-323_firmwaredns-343_firmwaredns-340l_firmwaredns-323dns-326dnr-202l_firmwaredns-345_firmwaredns-320dns-1100-4DNS-321DNS-323DNS-1550-04DNS-1100-4DNS-327LDNR-202LDNS-320LWDNR-322LDNS-345DNS-320DNS-1200-05DNS-340LDNS-320LDNS-326DNR-326DNS-315LDNS-726-4DNS-325DNS-120DNS-343
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-35738
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-1.73% / 82.57%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 01:57
Updated-13 May, 2025 | 13:52
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-2622 DDP Configuration Backup Auth Password Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-2622 DDP Configuration Backup Auth Password Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2622 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DDP service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-20065.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-2622dap-2622_firmwareDAP-2622dap_2622_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2018-17065
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.66% / 71.32%
||
7 Day CHG~0.00%
Published-15 Sep, 2018 | 21:00
Updated-05 Aug, 2024 | 10:39
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered on D-Link DIR-816 A2 1.10 B05 devices. Within the handler function of the /goform/DDNS route, a very long password could lead to a stack-based buffer overflow and overwrite the return address.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-816_a2dir-816_a2_firmwaren/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-35726
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-1.85% / 83.14%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 01:57
Updated-13 May, 2025 | 13:53
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-2622 DDP User Verification Auth Password Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-2622 DDP User Verification Auth Password Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2622 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the DDP service. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-20053.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-2622dap-2622_firmwareDAP-2622dap_2622_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
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