CVE-2025-12241

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.

• CWE-119
• CWE-121

• https://github.com/noahze01/IoT-vulnerable/blob/main/TOTOLink/A3300R/setLanguageCfg.mdExploit, Third Party Advisory
• https://vuldb.com/?ctiid.329911Permissions Required, VDB Entry
• https://vuldb.com/?id.329911Third Party Advisory, VDB Entry
• https://vuldb.com/?submit.673723Third Party Advisory, VDB Entry
• https://www.totolink.net/Product

Published

Oct 27, 2025

Last Modified

Jun 17, 2026

Status

Analyzed

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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