A vulnerability, which was classified as critical, has been found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument LangType leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

AV:N/AC:L/Au:N/C:C/I:C/A:C

This CVE is not in the KEV list.

Exploitation poc

Automatable yes

Technical Impact total

Affected Vendors & Products

Vendors Products
Totolink
  • Ex1200t
  • Ex1200t Firmware

Configuration 1 [-]

AND
cpe:2.3:o:totolink:ex1200t_firmware:4.1.2cu.5232_b20210713:*:*:*:*:*:*:*
cpe:2.3:h:totolink:ex1200t:-:*:*:*:*:*:*:*

No data.

References
Link Providers
https://kn0sinna.notion.site/TOTOLINK-EX1200T-stack-based-BufferOverflow-vulnerability-204b1876cd6e80709ce8dab4778dce55 cve-icon cve-icon cve-icon
https://vuldb.com/?ctiid.311087 cve-icon cve-icon
https://vuldb.com/?id.311087 cve-icon cve-icon
https://vuldb.com/?submit.588075 cve-icon cve-icon
https://www.totolink.net/ cve-icon cve-icon
History

Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.00298}

 epss

{'score': 0.00349}

Tue, 10 Jun 2025 15:30:00 +0000

Type Values Removed Values Added
First Time appeared Totolink
Totolink ex1200t
Totolink ex1200t Firmware
Weaknesses CWE-787
CPEs cpe:2.3:h:totolink:ex1200t:-:*:*:*:*:*:*:*
cpe:2.3:o:totolink:ex1200t_firmware:4.1.2cu.5232_b20210713:*:*:*:*:*:*:*
Vendors & Products Totolink
Totolink ex1200t
Totolink ex1200t Firmware

Wed, 04 Jun 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Wed, 04 Jun 2025 17:45:00 +0000

Type Values Removed Values Added
Description A vulnerability, which was classified as critical, has been found in TOTOLINK EX1200T 4.1.2cu.5232_B20210713. This issue affects the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument LangType leads to stack-based buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.
Title TOTOLINK EX1200T cstecgi.cgi setLanguageCfg stack-based overflow
Weaknesses CWE-119
CWE-121
References
Metrics cvssV2_0

{'score': 10, 'vector': 'AV:N/AC:L/Au:N/C:C/I:C/A:C'}

cvssV3_0

{'score': 9.8, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published: 2025-06-04T17:31:11.291Z

Updated: 2025-06-04T18:18:33.222Z

Reserved: 2025-06-04T10:07:52.991Z

Link: CVE-2025-5600

cve-icon Vulnrichment

Updated: 2025-06-04T18:11:54.252Z

cve-icon NVD

Status : Analyzed

Published: 2025-06-04T18:15:38.817

Modified: 2025-06-10T15:09:46.277

Link: CVE-2025-5600

cve-icon Redhat

No data.