CVE-2025-5600

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-119 CWE-121 CWE-787

Affected software

Vendor	Product	Versions
TOTOLINK	EX1200T	4.1.2cu.5232_B20210713

References

https://kn0sinna.notion.site/TOTOLINK-EX1200T-stack-based-BufferOverflow-vulnerability-204b1876cd6e80709ce8dab4778dce55Exploit, Third Party Advisory
https://vuldb.com/?ctiid.311087Permissions Required
https://vuldb.com/?id.311087Third Party Advisory, VDB Entry
https://vuldb.com/?submit.588075Third Party Advisory, VDB Entry
https://www.totolink.net/Product
https://kn0sinna.notion.site/TOTOLINK-EX1200T-stack-based-BufferOverflow-vulnerability-204b1876cd6e80709ce8dab4778dce55Exploit, Third Party Advisory

Timeline

Published: Jun 4, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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