CVE-2025-12241

HIGH

TOTOLINK A3300R 17.0.0cu.557_B20221024 - Stack-based Buffer Overflow via lang Parameter in setLanguageCfg

Title source: llm
STIX 2.1

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.

References (5)

Core 5
Core References
Third Party Advisory, VDB Entry vdb-entry technical-description
https://vuldb.com/?id.329911
Permissions Required, VDB Entry signature permissions-required
https://vuldb.com/?ctiid.329911
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.673723
Product product
https://www.totolink.net/

Scores

CVSS v3 8.8
EPSS 0.0039
EPSS Percentile 60.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-121
Status published
Products (1)
totolink/a3300r_firmware 17.0.0cu.557_b20221024
Published Oct 27, 2025
Tracked Since Feb 18, 2026