Vulnerability Monitor

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CVE-2025-5600

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.

Published

2025-06-04T18:15:38.817

Last Modified

2025-06-10T15:09:46.277

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 9.8 (CRITICAL)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

10.0

Weaknesses

Type: Secondary
CWE-119
CWE-121
Type: Primary
CWE-787

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	totolink	ex1200t_firmware	4.1.2cu.5232_b20210713	Yes
Hardware	totolink	ex1200t	-	No

References

https://kn0sinna.notion.site/TOTOLINK-EX1200T-stack-based-BufferOverflow-vulnerability-204b1876cd6e80709ce8dab4778dce55 Exploit, Third Party Advisory ([email protected])
https://vuldb.com/?ctiid.311087 Permissions Required ([email protected])
https://vuldb.com/?id.311087 Third Party Advisory, VDB Entry ([email protected])
https://vuldb.com/?submit.588075 Third Party Advisory, VDB Entry ([email protected])
https://www.totolink.net/ Product ([email protected])
https://kn0sinna.notion.site/TOTOLINK-EX1200T-stack-based-BufferOverflow-vulnerability-204b1876cd6e80709ce8dab4778dce55 Exploit, Third Party Advisory (134c704f-9b21-4f2e-91b3-4a467353bcc0)