CVE-2025-5600
CRITICALTOTOLINK EX1200T 4.1.2cu.5232_B20210713 - Stack-based Buffer Overflow in setLanguageCfg via LangType Parameter
Title source: llmDescription
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.
References (5)
Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.311087
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.588075
Exploit, Third Party Advisory exploit
https://kn0sinna.notion.site/TOTOLINK-EX1200T-stack-based-BufferOverflow-vulnerability-204b1876cd6e80709ce8dab4778dce55
Product product
https://www.totolink.net/
Permissions Required signature
permissions-required
https://vuldb.com/?ctiid.311087
Scores
CVSS v3
9.8
EPSS
0.0120
EPSS Percentile
79.1%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-119
CWE-121
CWE-787
Status
published
Products (1)
totolink/ex1200t_firmware
4.1.2cu.5232_b20210713
Published
Jun 04, 2025
Tracked Since
Feb 18, 2026