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Vulnerability Details :

CVE-2025-12240

Summary
Assigner-VulDB
Assigner Org ID-1af790b2-7ee1-4545-860a-a788eba489b5
Published At-27 Oct, 2025 | 06:32
Updated At-27 Oct, 2025 | 20:13
Rejected At-
Credits

TOTOLINK A3300R cstecgi.cgi setDmzCfg buffer overflow

A security vulnerability has been detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. This affects the function setDmzCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

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:VulDB
Assigner Org ID:1af790b2-7ee1-4545-860a-a788eba489b5
Published At:27 Oct, 2025 | 06:32
Updated At:27 Oct, 2025 | 20:13
Rejected At:
▼CVE Numbering Authority (CNA)
TOTOLINK A3300R cstecgi.cgi setDmzCfg buffer overflow

A security vulnerability has been detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. This affects the function setDmzCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

Affected Products
Vendor
TOTOLINKTOTOLINK
Product
A3300R
Versions
Affected
  • 17.0.0cu.557_B20221024
Problem Types
TypeCWE IDDescription
CWECWE-120Buffer Overflow
CWECWE-119Memory Corruption
Type: CWE
CWE ID: CWE-120
Description: Buffer Overflow
Type: CWE
CWE ID: CWE-119
Description: Memory Corruption
Metrics
VersionBase scoreBase severityVector
4.08.7HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
3.08.8HIGH
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
2.09.0N/A
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Version: 4.0
Base score: 8.7
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Version: 3.0
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Version: 2.0
Base score: 9.0
Base severity: N/A
Vector:
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
wxhwxhwxh_mie (VulDB User)
Timeline
EventDate
Advisory disclosed2025-10-25 00:00:00
VulDB entry created2025-10-25 02:00:00
VulDB entry last update2025-10-25 19:17:05
Event: Advisory disclosed
Date: 2025-10-25 00:00:00
Event: VulDB entry created
Date: 2025-10-25 02:00:00
Event: VulDB entry last update
Date: 2025-10-25 19:17:05
Replaced By
Rejected Reason
References
HyperlinkResource
https://vuldb.com/?id.329910
vdb-entry
technical-description
https://vuldb.com/?ctiid.329910
signature
permissions-required
https://vuldb.com/?submit.673722
third-party-advisory
https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setDmzCfg.md
exploit
https://www.totolink.net/
product
Hyperlink: https://vuldb.com/?id.329910
Resource:
vdb-entry
technical-description
Hyperlink: https://vuldb.com/?ctiid.329910
Resource:
signature
permissions-required
Hyperlink: https://vuldb.com/?submit.673722
Resource:
third-party-advisory
Hyperlink: https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setDmzCfg.md
Resource:
exploit
Hyperlink: https://www.totolink.net/
Resource:
product
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
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
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cna@vuldb.com
Published At:27 Oct, 2025 | 07:15
Updated At:27 Oct, 2025 | 17:58

A security vulnerability has been detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. This affects the function setDmzCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used.

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
Secondary4.07.4HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Secondary3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Secondary2.09.0HIGH
AV:N/AC:L/Au:S/C:C/I:C/A:C
Type: Secondary
Version: 4.0
Base score: 7.4
Base severity: HIGH
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 2.0
Base score: 9.0
Base severity: HIGH
Vector:
AV:N/AC:L/Au:S/C:C/I:C/A:C
CPE Matches
TOTOLINK
totolink
>>a3300r_firmware>>17.0.0cu.557_b20221024
cpe:2.3:o:totolink:a3300r_firmware:17.0.0cu.557_b20221024:*:*:*:*:*:*:*
TOTOLINK
totolink
>>a3300r>>-
cpe:2.3:h:totolink:a3300r:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-119Primarycna@vuldb.com
CWE-120Primarycna@vuldb.com
CWE-120Primarynvd@nist.gov
CWE ID: CWE-119
Type: Primary
Source: cna@vuldb.com
CWE ID: CWE-120
Type: Primary
Source: cna@vuldb.com
CWE ID: CWE-120
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setDmzCfg.mdcna@vuldb.com
Exploit
Third Party Advisory
https://vuldb.com/?ctiid.329910cna@vuldb.com
Permissions Required
VDB Entry
https://vuldb.com/?id.329910cna@vuldb.com
Third Party Advisory
VDB Entry
https://vuldb.com/?submit.673722cna@vuldb.com
Third Party Advisory
VDB Entry
https://www.totolink.net/cna@vuldb.com
Product
Hyperlink: https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setDmzCfg.md
Source: cna@vuldb.com
Resource:
Exploit
Third Party Advisory
Hyperlink: https://vuldb.com/?ctiid.329910
Source: cna@vuldb.com
Resource:
Permissions Required
VDB Entry
Hyperlink: https://vuldb.com/?id.329910
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://vuldb.com/?submit.673722
Source: cna@vuldb.com
Resource:
Third Party Advisory
VDB Entry
Hyperlink: https://www.totolink.net/
Source: cna@vuldb.com
Resource:
Product

Change History

0
Information is not available yet

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TOTOLINK EX1800T cstecgi.cgi setDmzCfg os command injection

A vulnerability classified as critical has been found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316. This affects the function setDmzCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ip leads to os command injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Action-Not Available
Vendor-TOTOLINK
Product-ex1800tex1800t_firmwareEX1800T
CWE ID-CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2022-41522
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.69% / 71.47%
||
7 Day CHG~0.00%
Published-06 Oct, 2022 | 00:00
Updated-03 Aug, 2024 | 12:42
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an unauthenticated stack overflow via the "main" function.

Action-Not Available
Vendor-n/aTOTOLINK
Product-nr1800x_firmwarenr1800xn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2021-42884
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-21.79% / 95.66%
||
7 Day CHG~0.00%
Published-03 Jun, 2022 | 10:35
Updated-04 Aug, 2024 | 03:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in function setDeviceName of the file global.so which can control thedeviceName to attack.

Action-Not Available
Vendor-n/aTOTOLINK
Product-ex1200t_firmwareex1200tn/a
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2025-2094
Matching Score-8
Assigner-VulDB
ShareView Details
Matching Score-8
Assigner-VulDB
CVSS Score-5.3||MEDIUM
EPSS-6.92% / 91.28%
||
7 Day CHG~0.00%
Published-07 Mar, 2025 | 21:31
Updated-03 Apr, 2025 | 15:30
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
TOTOLINK EX1800T cstecgi.cgi setWiFiExtenderConfig os command injection

A vulnerability was found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316. It has been rated as critical. Affected by this issue is the function setWiFiExtenderConfig of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument apcliKey/key leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Action-Not Available
Vendor-TOTOLINK
Product-ex1800tex1800t_firmwareEX1800T
CWE ID-CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2021-42890
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-3.34% / 87.14%
||
7 Day CHG~0.00%
Published-03 Jun, 2022 | 14:57
Updated-04 Aug, 2024 | 03:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in function NTPSyncWithHost of the file system.so which can control hostTime to attack.

Action-Not Available
Vendor-n/aTOTOLINK
Product-ex1200t_firmwareex1200tn/a
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2021-42872
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-11.41% / 93.47%
||
7 Day CHG~0.00%
Published-31 May, 2022 | 23:15
Updated-04 Aug, 2024 | 03:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK EX1200T V4.1.2cu.5215 is affected by a command injection vulnerability that can remotely execute arbitrary code.

Action-Not Available
Vendor-n/aTOTOLINK
Product-ex1200t_firmwareex1200tn/a
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2021-42885
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-9.52% / 92.73%
||
7 Day CHG~0.00%
Published-03 Jun, 2022 | 10:50
Updated-04 Aug, 2024 | 03:47
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in function setDeviceMac of the file global.so which can control deviceName to attack.

Action-Not Available
Vendor-n/aTOTOLINK
Product-ex1200t_firmwareex1200tn/a
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2025-2096
Matching Score-8
Assigner-VulDB
ShareView Details
Matching Score-8
Assigner-VulDB
CVSS Score-5.3||MEDIUM
EPSS-4.22% / 88.59%
||
7 Day CHG~0.00%
Published-07 Mar, 2025 | 22:00
Updated-03 Apr, 2025 | 15:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
TOTOLINK EX1800T cstecgi.cgi setRebootScheCfg os command injection

A vulnerability classified as critical was found in TOTOLINK EX1800T 9.1.0cu.2112_B20220316. This vulnerability affects the function setRebootScheCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument mode/week/minute/recHour leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

Action-Not Available
Vendor-TOTOLINK
Product-ex1800tex1800t_firmwareEX1800T
CWE ID-CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2021-42875
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-7.58% / 91.72%
||
7 Day CHG~0.00%
Published-02 Jun, 2022 | 18:52
Updated-04 Aug, 2024 | 03:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK EX1200T V4.1.2cu.5215 contains a remote command injection vulnerability in the function setDiagnosisCfg of the file lib/cste_modules/system.so to control the ipDoamin.

Action-Not Available
Vendor-n/aTOTOLINK
Product-ex1200t_firmwareex1200tn/a
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2025-1829
Matching Score-8
Assigner-VulDB
ShareView Details
Matching Score-8
Assigner-VulDB
CVSS Score-5.3||MEDIUM
EPSS-3.42% / 87.28%
||
7 Day CHG~0.00%
Published-02 Mar, 2025 | 19:00
Updated-03 Apr, 2025 | 15:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
TOTOLINK X18 cstecgi.cgi setMtknatCfg os command injection

A vulnerability was found in TOTOLINK X18 9.1.0cu.2024_B20220329. It has been declared as critical. This vulnerability affects the function setMtknatCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument mtkhnatEnable leads to os command injection. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Action-Not Available
Vendor-TOTOLINK
Product-x18x18_firmwareX18
CWE ID-CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2022-38828
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-19.15% / 95.26%
||
7 Day CHG~0.00%
Published-16 Sep, 2022 | 14:07
Updated-03 Aug, 2024 | 11:02
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK T6 V4.1.5cu.709_B20210518 is vulnerable to command injection via cstecgi.cgi

Action-Not Available
Vendor-n/aTOTOLINK
Product-t6t6_firmwaren/a
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2023-51014
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.31% / 53.89%
||
7 Day CHG~0.00%
Published-22 Dec, 2023 | 00:00
Updated-12 Sep, 2024 | 13:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK EX1800T V9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the lanSecDns parameter’ of the setLanConfig interface of the cstecgi .cgi

Action-Not Available
Vendor-n/aTOTOLINK
Product-ex1800t_firmwareex1800tn/aex1800t_firmware
CWE ID-CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CVE-2023-51020
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.38% / 59.34%
||
7 Day CHG~0.00%
Published-22 Dec, 2023 | 00:00
Updated-26 Nov, 2024 | 16:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOlink EX1800T v9.1.0cu.2112_B20220316 is vulnerable to unauthorized arbitrary command execution in the ‘langType’ parameter of the setLanguageCfg interface of the cstecgi .cgi.

Action-Not Available
Vendor-n/aTOTOLINK
Product-ex1800t_firmwareex1800tn/a
CVE-2023-49418
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.12% / 31.26%
||
7 Day CHG~0.00%
Published-11 Dec, 2023 | 00:00
Updated-02 Aug, 2024 | 21:53
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLink A7000R V9.1.0u.6115_B20201022has a stack overflow vulnerability via setIpPortFilterRules.

Action-Not Available
Vendor-n/aTOTOLINK
Product-a7000r_firmwarea7000rn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-48804
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.35% / 57.11%
||
7 Day CHG~0.00%
Published-30 Nov, 2023 | 00:00
Updated-02 Aug, 2024 | 21:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In TOTOLINK X6000R V9.4.0cu.852_B20230719, the shttpd file, sub_4119A0 function obtains fields from the front-end through Uci_ Set_ The Str function when passed to the CsteSystem function creates a command execution vulnerability.

Action-Not Available
Vendor-n/aTOTOLINK
Product-x6000rx6000r_firmwaren/a
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2023-48800
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.71% / 72.04%
||
7 Day CHG~0.00%
Published-04 Dec, 2023 | 00:00
Updated-02 Aug, 2024 | 21:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In TOTOLINK X6000R_Firmware V9.4.0cu.852_B20230719, the shttpd file sub_417338 function obtains fields from the front-end, connects them through the snprintf function, and passes them to the CsteSystem function, resulting in a command execution vulnerability.

Action-Not Available
Vendor-n/aTOTOLINK
Product-x6000rx6000r_firmwaren/a
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2023-49417
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.11% / 29.43%
||
7 Day CHG~0.00%
Published-11 Dec, 2023 | 00:00
Updated-27 May, 2025 | 15:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLink A7000R V9.1.0u.6115_B20201022 has a stack overflow vulnerability via setOpModeCfg.

Action-Not Available
Vendor-n/aTOTOLINK
Product-a7000r_firmwarea7000rn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-48801
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.27% / 50.23%
||
7 Day CHG~0.00%
Published-01 Dec, 2023 | 00:00
Updated-26 Nov, 2024 | 19:09
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In TOTOLINK X6000R_Firmware V9.4.0cu.852_B20230719, the shttpd file sub_415534 function obtains fields from the front-end, connects them through the snprintf function, and passes them to the CsteSystem function, resulting in a command execution vulnerability.

Action-Not Available
Vendor-n/aTOTOLINK
Product-x6000rx6000r_firmwaren/a
CWE ID-CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CVE-2023-48810
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.35% / 57.11%
||
7 Day CHG~0.00%
Published-30 Nov, 2023 | 00:00
Updated-02 Aug, 2024 | 21:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In TOTOLINK X6000R V9.4.0cu.852_B20230719, the shttpd file, sub_4119A0 function obtains fields from the front-end through Uci_ Set_ The Str function when passed to the CsteSystem function creates a command execution vulnerability.

Action-Not Available
Vendor-n/aTOTOLINK
Product-x6000rx6000r_firmwaren/a
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2023-48799
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.72% / 72.28%
||
7 Day CHG~0.00%
Published-04 Dec, 2023 | 00:00
Updated-02 Aug, 2024 | 21:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK-X6000R Firmware-V9.4.0cu.852_B20230719 is vulnerable to Command Execution.

Action-Not Available
Vendor-n/aTOTOLINK
Product-x6000rx6000r_firmwaren/a
CVE-2023-48802
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.35% / 57.11%
||
7 Day CHG~0.00%
Published-30 Nov, 2023 | 00:00
Updated-05 Jun, 2025 | 14:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In TOTOLINK X6000R V9.4.0cu.852_B20230719, the shttpd file, sub_4119A0 function obtains fields from the front-end through Uci_ Set_ The Str function when passed to the CsteSystem function creates a command execution vulnerability.

Action-Not Available
Vendor-n/aTOTOLINK
Product-x6000r_firmwarex6000rn/a
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2025-14586
Matching Score-8
Assigner-VulDB
ShareView Details
Matching Score-8
Assigner-VulDB
CVSS Score-5.3||MEDIUM
EPSS-1.50% / 80.92%
||
7 Day CHG-0.17%
Published-13 Dec, 2025 | 06:32
Updated-24 Feb, 2026 | 05:48
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
TOTOLINK X5000R cstecgi.cgi snprintf os command injection

A vulnerability was determined in TOTOLINK X5000R 9.1.0cu.2089_B20211224. Affected by this issue is the function snprintf of the file /cgi-bin/cstecgi.cgi?action=exportOvpn&type=user. This manipulation of the argument User causes os command injection. Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

Action-Not Available
Vendor-TOTOLINK
Product-x5000r_firmwarex5000rX5000R
CWE ID-CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2021-35327
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.44% / 63.06%
||
7 Day CHG~0.00%
Published-05 Aug, 2021 | 20:39
Updated-04 Aug, 2024 | 00:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A vulnerability in TOTOLINK A720R A720R_Firmware v4.1.5cu.470_B20200911 allows attackers to start the Telnet service, then login with the default credentials via a crafted POST request.

Action-Not Available
Vendor-n/aTOTOLINK
Product-a720ra720r_firmwaren/a
CWE ID-CWE-862
Missing Authorization
CVE-2025-13184
Matching Score-8
Assigner-CERT/CC
ShareView Details
Matching Score-8
Assigner-CERT/CC
CVSS Score-9.8||CRITICAL
EPSS-0.61% / 69.47%
||
7 Day CHG~0.00%
Published-10 Dec, 2025 | 12:34
Updated-19 Dec, 2025 | 19:27
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Unauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a blank password

Unauthenticated Telnet enablement via cstecgi.cgi (auth bypass) leading to unauthenticated root login with a blank password on factory/reset X5000R V9.1.0u.6369_B20230113 (arbitrary command execution). Earlier versions that share the same implementation, may also be affected.

Action-Not Available
Vendor-Toto LinkTOTOLINK
Product-x5000r_firmwarex5000rX5000R's (AX1800 router)
CWE ID-CWE-863
Incorrect Authorization
CVE-2021-35324
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.76% / 73.05%
||
7 Day CHG~0.00%
Published-05 Aug, 2021 | 20:39
Updated-04 Aug, 2024 | 00:33
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A vulnerability in the Form_Login function of TOTOLINK A720R A720R_Firmware V4.1.5cu.470_B20200911 allows attackers to bypass authentication.

Action-Not Available
Vendor-n/aTOTOLINK
Product-a720ra720r_firmwaren/a
CVE-2023-23064
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.40% / 60.66%
||
7 Day CHG~0.00%
Published-17 Feb, 2023 | 00:00
Updated-18 Mar, 2025 | 20:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK A720R V4.1.5cu.532_ B20210610 is vulnerable to Incorrect Access Control.

Action-Not Available
Vendor-n/aTOTOLINK
Product-a720ra720r_firmwaren/a
CWE ID-CWE-863
Incorrect Authorization
CVE-2023-46416
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-5.04% / 89.62%
||
7 Day CHG~0.00%
Published-25 Oct, 2023 | 00:00
Updated-11 Sep, 2024 | 16:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK X6000R v9.4.0cu.652_B20230116 was discovered to contain a remote command execution (RCE) vulnerability via the sub_ The 41A414 function.

Action-Not Available
Vendor-n/aTOTOLINK
Product-x6000rx6000r_firmwaren/ax6000r_firmware
CWE ID-CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CVE-2022-29397
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.48% / 64.80%
||
7 Day CHG~0.00%
Published-10 May, 2022 | 19:50
Updated-03 Aug, 2024 | 06:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK N600R V4.3.0cu.7647_B20210106 was discovered to contain a stack overflow via the comment parameter in the function FUN_004196c8.

Action-Not Available
Vendor-n/aTOTOLINK
Product-n600r_firmwaren600rn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-46550
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-0.21% / 43.34%
||
7 Day CHG~0.00%
Published-25 Oct, 2023 | 00:00
Updated-11 Sep, 2024 | 14:32
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formMapDelDevice.

Action-Not Available
Vendor-n/aTOTOLINK
Product-x2000rx2000r_firmwaren/ax2000r_firmware
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-46424
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-5.04% / 89.62%
||
7 Day CHG~0.00%
Published-25 Oct, 2023 | 00:00
Updated-12 Sep, 2024 | 18:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK X6000R v9.4.0cu.652_B20230116 was discovered to contain a remote command execution (RCE) vulnerability via the sub_422BD4 function.

Action-Not Available
Vendor-n/aTOTOLINK
Product-x6000rx6000r_firmwaren/ax6000r_firmware
CWE ID-CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CVE-2023-46422
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-5.04% / 89.62%
||
7 Day CHG~0.00%
Published-25 Oct, 2023 | 00:00
Updated-11 Sep, 2024 | 16:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK X6000R v9.4.0cu.652_B20230116 was discovered to contain a remote command execution (RCE) vulnerability via the sub_411994 function.

Action-Not Available
Vendor-n/aTOTOLINK
Product-x6000rx6000r_firmwaren/ax6000r_firmware
CWE ID-CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CVE-2022-27005
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-45.94% / 97.58%
||
7 Day CHG~0.00%
Published-15 Mar, 2022 | 21:56
Updated-12 Sep, 2024 | 13:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Totolink routers s X5000R V9.1.0u.6118_B20201102 and A7000R V9.1.0u.6115_B20201022 were discovered to contain a command injection vulnerability in the setWanCfg function via the hostName parameter. This vulnerability allows attackers to execute arbitrary commands via a crafted request.

Action-Not Available
Vendor-n/aTOTOLINK
Product-a7000r_firmwarex5000r_firmwarex5000ra7000rn/aa7000r_firmwarex5000r_firmware
CWE ID-CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVE-2023-46556
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.21% / 43.34%
||
7 Day CHG~0.00%
Published-25 Oct, 2023 | 00:00
Updated-11 Sep, 2024 | 16:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formFilter.

Action-Not Available
Vendor-n/aTOTOLINK
Product-x2000rx2000r_firmwaren/ax2000r_firmware
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-46557
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-8.8||HIGH
EPSS-0.21% / 43.34%
||
7 Day CHG~0.00%
Published-25 Oct, 2023 | 00:00
Updated-11 Sep, 2024 | 16:35
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

TOTOLINK X2000R Gh v1.0.0-B20230221.0948.web was discovered to contain a stack overflow via the function formMultiAPVLAN.

Action-Not Available
Vendor-n/aTOTOLINK
Product-x2000rx2000r_firmwaren/ax2000r_firmware
CWE ID-CWE-787
Out-of-bounds Write
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