CVE-2025-12241

CWE-119 — Buffer OverflowCWE-121 — Stack-based Buffer Overflow3 documents3 sources
Severity
7.4HIGH
EPSS
0.4%
top 39.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Totolink A3300rTotolink A3300r Firmware
Timeline
PublishedOct 27

Description

A vulnerability was detected in TOTOLINK A3300R 17.0.0cu.557_B20221024. This impacts the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component POST Parameter Handler. The manipulation of the argument lang results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit is now public and may be used.

CVSS 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

Affected Packages2 packages

▶CVEListV5totolink/a3300r17.0.0cu.557_B20221024
▶NVDtotolink/a3300r_firmware17.0.0cu.557_b20221024

🔴Vulnerability Details

2
GHSA
GHSA-5mfc-h58q-mjg2: A vulnerability was detected in TOTOLINK A3300R 17↗2025-10-27
▶
CVEList
TOTOLINK A3300R POST Parameter cstecgi.cgi setLanguageCfg stack-based overflow↗2025-10-27
▶
CVE-2025-12241 (HIGH CVSS 7.4) | A vulnerability was detected in TOT | cvebase.io