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Vulnerability Details :

CVE-2023-41216

Summary
Assigner-zdi
Assigner Org ID-99f1926a-a320-47d8-bbb5-42feb611262e
Published At-03 May, 2024 | 02:12
Updated At-02 Aug, 2024 | 18:54
Rejected At-
Credits

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.

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:zdi
Assigner Org ID:99f1926a-a320-47d8-bbb5-42feb611262e
Published At:03 May, 2024 | 02:12
Updated At:02 Aug, 2024 | 18:54
Rejected At:
▼CVE Numbering Authority (CNA)
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.

Affected Products
Vendor
D-Link CorporationD-Link
Product
DIR-3040
Default Status
unknown
Versions
Affected
  • 120B03
Problem Types
TypeCWE IDDescription
CWECWE-121CWE-121: Stack-based Buffer Overflow
Type: CWE
CWE ID: CWE-121
Description: CWE-121: Stack-based Buffer Overflow
Metrics
VersionBase scoreBase severityVector
3.06.8MEDIUM
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Version: 3.0
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.zerodayinitiative.com/advisories/ZDI-23-1324/
x_research-advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10350
vendor-advisory
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-23-1324/
Resource:
x_research-advisory
Hyperlink: https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10350
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Vendor
D-Link Corporationdlink
Product
dir-3040_firmware
CPEs
  • cpe:2.3:o:dlink:dir-3040_firmware:1.20b03:*:*:*:*:*:*:*
Default Status
unknown
Versions
Affected
  • 1.20b03
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
2. 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
https://www.zerodayinitiative.com/advisories/ZDI-23-1324/
x_research-advisory
x_transferred
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10350
vendor-advisory
x_transferred
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-23-1324/
Resource:
x_research-advisory
x_transferred
Hyperlink: https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10350
Resource:
vendor-advisory
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:zdi-disclosures@trendmicro.com
Published At:03 May, 2024 | 03:15
Updated At:15 May, 2025 | 12:43

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.

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
Primary3.16.8MEDIUM
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Secondary3.06.8MEDIUM
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.0
Base score: 6.8
Base severity: MEDIUM
Vector:
CVSS:3.0/AV:A/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CPE Matches

D-Link Corporation
dlink
>>dir-3040_firmware>>Versions up to 1.20b03(inclusive)
cpe:2.3:o:dlink:dir-3040_firmware:*:*:*:*:*:*:*:*
D-Link Corporation
dlink
>>dir-3040>>-
cpe:2.3:h:dlink:dir-3040:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-121Secondaryzdi-disclosures@trendmicro.com
CWE-787Primarynvd@nist.gov
CWE ID: CWE-121
Type: Secondary
Source: zdi-disclosures@trendmicro.com
CWE ID: CWE-787
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10350zdi-disclosures@trendmicro.com
Patch
Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1324/zdi-disclosures@trendmicro.com
Third Party Advisory
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10350af854a3a-2127-422b-91ae-364da2661108
Patch
Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1324/af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Hyperlink: https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10350
Source: zdi-disclosures@trendmicro.com
Resource:
Patch
Vendor Advisory
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-23-1324/
Source: zdi-disclosures@trendmicro.com
Resource:
Third Party Advisory
Hyperlink: https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10350
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Vendor Advisory
Hyperlink: https://www.zerodayinitiative.com/advisories/ZDI-23-1324/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
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KEV Action Due Date-Not Available

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Action-Not Available
Vendor-D-Link Corporation
Product-dap-2020dap-2020_firmwareDAP-2020
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2025-8184
Matching Score-6
Assigner-VulDB
ShareView Details
Matching Score-6
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.23% / 45.45%
||
7 Day CHG~0.00%
Published-26 Jul, 2025 | 09:02
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Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
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Action-Not Available
Vendor-D-Link Corporation
Product-dir-513dir-513_firmwareDIR-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-2021-34863
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-0.41% / 60.67%
||
7 Day CHG~0.00%
Published-25 Oct, 2021 | 17:10
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the var:page parameter provided to the webproc 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-13271.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-2020dap-2020_firmwareDAP-2020
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2021-34827
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-1.73% / 82.10%
||
7 Day CHG~0.00%
Published-15 Jul, 2021 | 17:35
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1330 1.13B01 BETA routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the SOAPAction HTTP header. 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 the device. Was ZDI-CAN-12029.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-1330dap-1330_firmwareDAP-1330
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2021-34862
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-0.41% / 60.67%
||
7 Day CHG~0.00%
Published-25 Oct, 2021 | 17:10
Updated-04 Aug, 2024 | 00:26
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 1.01rc001 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of the var:menu parameter provided to the webproc 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-13270.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-2020dap-2020_firmwareDAP-2020
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2021-34202
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-7.8||HIGH
EPSS-0.33% / 55.69%
||
7 Day CHG~0.00%
Published-16 Jun, 2021 | 18:56
Updated-04 Aug, 2024 | 00:05
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-2640-usdir-2640-us_firmwaren/a
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-28.20% / 96.38%
||
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-2024-52754
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-3.5||LOW
EPSS-0.19% / 40.61%
||
7 Day CHG~0.00%
Published-20 Nov, 2024 | 00:00
Updated-22 Nov, 2024 | 17:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

D-LINK DI-8003 v16.07.16A1 was discovered to contain a buffer overflow via the fn parameter in the tgfile_htm function.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-di-8003_firmwaredi-8003n/a
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE ID-CWE-787
Out-of-bounds Write
CVE-2021-34201
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-7.1||HIGH
EPSS-0.06% / 17.64%
||
7 Day CHG~0.00%
Published-16 Jun, 2021 | 19:50
Updated-04 Aug, 2024 | 00:05
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-2640-US 1.01B04 is vulnerable to Buffer Overflow. There are multiple out-of-bounds vulnerabilities in some processes of D-Link AC2600(DIR-2640). Local ordinary users can overwrite the global variables in the .bss section, causing the process crashes or changes.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-2640-usdir-2640-us_firmwaren/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2024-52757
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-3.5||LOW
EPSS-0.08% / 22.76%
||
7 Day CHG~0.00%
Published-20 Nov, 2024 | 00:00
Updated-22 Nov, 2024 | 17:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

D-LINK DI-8003 v16.07.16A1 was discovered to contain a buffer overflow via the notify parameter in the arp_sys_asp function.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-di-8003_firmwaredi-8003n/a
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE ID-CWE-787
Out-of-bounds Write
CVE-2024-5293
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-1.28% / 79.21%
||
7 Day CHG~0.00%
Published-23 May, 2024 | 21:29
Updated-06 Aug, 2025 | 14:26
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-2640 HTTP Referer Stack-Based Buffer Overflow Remote Code Execution Vulnerability

D-Link DIR-2640 HTTP Referer 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-2640-US routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within prog.cgi, 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 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-21853.

Action-Not Available
Vendor-D-Link Corporation
Product-dir-2640_firmwaredir-2640DIR-2640dir-2640_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2024-52755
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-3.5||LOW
EPSS-0.53% / 66.71%
||
7 Day CHG~0.00%
Published-20 Nov, 2024 | 00:00
Updated-22 Nov, 2024 | 17:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

D-LINK DI-8003 v16.07.26A1 was discovered to contain a buffer overflow via the host_ip parameter in the ipsec_road_asp function.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-di-8003_firmwaredi-8003n/a
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE ID-CWE-787
Out-of-bounds Write
CVE-2021-33270
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-1.93% / 83.06%
||
7 Day CHG~0.00%
Published-01 Dec, 2021 | 21:20
Updated-03 Aug, 2024 | 23:42
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-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_800462c4 in /formAdvFirewall. This vulnerability is triggered via a crafted POST request.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-809_firmwaredir-809n/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2021-33274
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-1.93% / 83.06%
||
7 Day CHG~0.00%
Published-01 Dec, 2021 | 21:20
Updated-03 Aug, 2024 | 23:42
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-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_80040af8 in /formWlanSetup. This vulnerability is triggered via a crafted POST request.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-809_firmwaredir-809n/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2021-33271
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-1.93% / 83.06%
||
7 Day CHG~0.00%
Published-01 Dec, 2021 | 21:20
Updated-03 Aug, 2024 | 23:42
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-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function sub_80046EB4 in /formSetPortTr. This vulnerability is triggered via a crafted POST request.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-809_firmwaredir-809n/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2012-10021
Matching Score-6
Assigner-VulnCheck
ShareView Details
Matching Score-6
Assigner-VulnCheck
CVSS Score-9.3||CRITICAL
EPSS-55.32% / 98.00%
||
7 Day CHG~0.00%
Published-31 Jul, 2025 | 14:54
Updated-20 Nov, 2025 | 21:28
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-605L Captcha Handling Buffer Overflow

A stack-based buffer overflow vulnerability exists in D-Link DIR-605L Wireless N300 Cloud Router firmware versions 1.12 and 1.13 via the getAuthCode() function. The flaw arises from unsafe usage of sprintf() when processing user-supplied CAPTCHA data via the FILECODE parameter in /goform/formLogin. A remote unauthenticated attacker can exploit this to execute arbitrary code with root privileges on the device.

Action-Not Available
Vendor-D-Link Corporation
Product-dir-605l_firmwaredir-605lDIR-605L
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2021-33268
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-1.93% / 83.06%
||
7 Day CHG~0.00%
Published-01 Dec, 2021 | 21:20
Updated-03 Aug, 2024 | 23:42
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-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function sub_8003183C in /fromLogin. This vulnerability is triggered via a crafted POST request.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-809_firmwaredir-809n/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2021-33269
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-1.93% / 83.06%
||
7 Day CHG~0.00%
Published-01 Dec, 2021 | 21:20
Updated-03 Aug, 2024 | 23:42
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-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_8004776c in /formVirtualServ. This vulnerability is triggered via a crafted POST request.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-809_firmwaredir-809n/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-35729
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-1.85% / 82.68%
||
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 Reset Auth Username Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-2622 DDP Reset Auth Username 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-20056.

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-2021-33267
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-1.93% / 83.06%
||
7 Day CHG~0.00%
Published-01 Dec, 2021 | 21:20
Updated-03 Aug, 2024 | 23:42
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-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_80034d60 in /formStaticDHCP. This vulnerability is triggered via a crafted POST request.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-809_firmwaredir-809n/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2021-33265
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-5.98% / 90.46%
||
7 Day CHG~0.00%
Published-01 Dec, 2021 | 21:20
Updated-03 Aug, 2024 | 23:42
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-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_80046eb4 in /formSetPortTr. This vulnerability is triggered via a crafted POST request.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-809_firmwaredir-809n/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2021-33266
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-2.63% / 85.37%
||
7 Day CHG~0.00%
Published-01 Dec, 2021 | 21:20
Updated-03 Aug, 2024 | 23:42
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-809 devices with firmware through DIR-809Ax_FW1.12WWB03_20190410 were discovered to contain a stack buffer overflow vulnerability in the function FUN_8004776c in /formVirtualApp. This vulnerability is triggered via a crafted POST request.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-809_firmwaredir-809n/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-35732
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-1.85% / 82.68%
||
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 Reset Factory Auth Password Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-2622 DDP Reset Factory 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-20059.

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-2021-3182
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-8||HIGH
EPSS-0.16% / 36.48%
||
7 Day CHG~0.00%
Published-19 Jan, 2021 | 14:40
Updated-03 Aug, 2024 | 17:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

D-Link DCS-5220 devices have a buffer overflow. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dcs-5220_firmwaredcs-5220n/adcs-5220_firmware
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-44404
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-2.20% / 84.10%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:13
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 get_value_from_app Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-1325 get_value_from_app 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-18823.

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-2023-44808
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-4.30% / 88.62%
||
7 Day CHG~0.00%
Published-16 Oct, 2023 | 00:00
Updated-16 Sep, 2024 | 18:40
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

D-Link DIR-820L 1.05B03 has a stack overflow vulnerability in the sub_4507CC function.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-820l_firmwaredir-820ln/adir-820l
CWE ID-CWE-787
Out-of-bounds Write
CVE-2021-30072
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.55% / 67.36%
||
7 Day CHG~0.00%
Published-02 Apr, 2021 | 19:55
Updated-03 Aug, 2024 | 22:24
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 in prog.cgi on D-Link DIR-878 1.30B08 devices. Because strcat is misused, there is a stack-based buffer overflow that does not require authentication.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-878dir-878_firmwaren/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-44418
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-0.68% / 70.99%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:13
Updated-13 May, 2025 | 14:03
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-X3260 Prog.cgi Heap-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DIR-X3260 Prog.cgi 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-X3260 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. The issue results from the lack of proper validation of the length an user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-20727.

Action-Not Available
Vendor-D-Link Corporation
Product-dir-x3260_firmwaredir-x3260DIR-X3260dir-x3260
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-44409
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-2.20% / 84.10%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 02:13
Updated-12 Mar, 2025 | 17:41
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 SetSetupWizardStatus Enabled Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-1325 SetSetupWizardStatus Enabled 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-18838.

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-2023-45572
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-8.15% / 91.99%
||
7 Day CHG~0.00%
Published-16 Oct, 2023 | 00:00
Updated-02 Aug, 2024 | 20:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Buffer Overflow vulnerability in D-Link device DI-7003GV2.D1 v.23.08.25D1 and before, DI-7100G+V2.D1 v.23.08.23D1 and before, DI-7100GV2.D1 v.23.08.23D1, DI-7200G+V2.D1 v.23.08.23D1 and before, DI-7200GV2.E1 v.23.08.23E1 and before, DI-7300G+V2.D1 v.23.08.23D1, and DI-7400G+V2.D1 v.23.08.23D1 and before allows a remote attacker to execute arbitrary code via the fn parameter of the tgfile.htm function.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-di-7200gdi-7200g_firmwaredi-7100gdi-7100g\+di-7100g_firmwaredi-7300g\+_firmwaredi-7400g\+di-7003g_firmwaredi-7200g\+di-7003gdi-7400g\+_firmwaredi-7300g\+di-7200g\+_firmwaredi-7100g\+_firmwaren/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2025-8168
Matching Score-6
Assigner-VulDB
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Matching Score-6
Assigner-VulDB
CVSS Score-8.7||HIGH
EPSS-0.57% / 68.01%
||
7 Day CHG~0.00%
Published-25 Jul, 2025 | 20:02
Updated-31 Jul, 2025 | 17:28
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 formSetWanPPPoE websAspInit buffer overflow

A vulnerability was found in D-Link DIR-513 1.10. It has been rated as critical. Affected by this issue is the function websAspInit of the file /goform/formSetWanPPPoE. The manipulation of the argument curTime leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

Action-Not Available
Vendor-D-Link Corporation
Product-dir-513dir-513_firmwareDIR-513
CWE ID-CWE-119
Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-33626
Matching Score-6
Assigner-MITRE Corporation
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Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-1.67% / 81.75%
||
7 Day CHG~0.00%
Published-12 Jun, 2023 | 00:00
Updated-03 Jan, 2025 | 23:35
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-600 Hardware Version B5, Firmware Version 2.18 was discovered to contain a stack overflow via the gena.cgi binary.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-600_firmwaredir-600n/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2021-27248
Matching Score-6
Assigner-Zero Day Initiative
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Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-0.66% / 70.58%
||
7 Day CHG~0.00%
Published-14 Apr, 2021 | 15:45
Updated-03 Aug, 2024 | 20:48
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-2020 v1.01rc001 Wi-Fi access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of CGI scripts. When parsing the getpage parameter, the process does not properly validate 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-10932.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-2020dap-2020_firmwareDAP-2020
CWE ID-CWE-121
Stack-based Buffer Overflow
CVE-2023-32139
Matching Score-6
Assigner-Zero Day Initiative
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Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-8.8||HIGH
EPSS-0.52% / 66.16%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 01:56
Updated-16 May, 2025 | 19:11
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-1360 webproc Stack-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-1360 webproc 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-1360 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling requests to the /cgi-bin/webproc 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-18417.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-1360dap-2020_firmwaredap-1360_firmwaredap-2020DAP-1360dap-1360
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-32140
Matching Score-6
Assigner-Zero Day Initiative
ShareView Details
Matching Score-6
Assigner-Zero Day Initiative
CVSS Score-7.5||HIGH
EPSS-0.75% / 72.79%
||
7 Day CHG~0.00%
Published-03 May, 2024 | 01:56
Updated-16 May, 2025 | 19:11
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
D-Link DAP-1360 webproc var:sys_Token Heap-based Buffer Overflow Remote Code Execution Vulnerability

D-Link DAP-1360 webproc var:sys_Token Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DAP-1360 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling requests to the /cgi-bin/webproc endpoint. When parsing the var:sys_Token parameter, the process does not properly validate the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. . Was ZDI-CAN-18418.

Action-Not Available
Vendor-D-Link Corporation
Product-dap-1360dap-2020_firmwaredap-1360_firmwaredap-2020DAP-1360dap-1360
CWE ID-CWE-121
Stack-based Buffer Overflow
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2021-27114
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-1.86% / 82.69%
||
7 Day CHG~0.00%
Published-14 Apr, 2021 | 13:54
Updated-03 Aug, 2024 | 20:40
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 in D-Link DIR-816 A2 1.10 B05 devices. Within the handler function of the /goform/addassignment route, a very long text entry for the"'s_ip" and "s_mac" fields could lead to a Stack-Based Buffer Overflow and overwrite the return address.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-dir-816_firmwaredir-816n/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2024-44674
Matching Score-6
Assigner-MITRE Corporation
ShareView Details
Matching Score-6
Assigner-MITRE Corporation
CVSS Score-5.7||MEDIUM
EPSS-2.93% / 86.11%
||
7 Day CHG~0.00%
Published-07 Oct, 2024 | 00:00
Updated-21 May, 2025 | 14:51
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

D-Link COVR-2600R FW101b05 is vulnerable to Buffer Overflow. In the function sub_24E28, the HTTP_REFERER is obtained through an environment variable, and this field is controllable, allowing it to be used as the value for src.

Action-Not Available
Vendor-n/aD-Link Corporation
Product-covr-2600rcovr-2600r_firmwaren/acovr-2600r_firmware
CWE ID-CWE-121
Stack-based Buffer Overflow
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