CVE-2026-121600

A flaw has been found in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected by this vulnerability is the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component MAC Filter Handler. This manipulation of the argument addEffect causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used.

• CWE-119
• CWE-121

• https://gist.github.com/H3rmesk1t/217c00b12e04fcde07c453a55579f808
• https://vuldb.com/cve/CVE-2026-121600
• https://vuldb.com/submit/1022562
• https://vuldb.com/vuln/430442
• https://vuldb.com/vuln/430442/cti
• https://www.totolink.net/

Published

Nov 4, 2026

Last Modified

Nov 4, 2026

Status

Deferred

• 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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