Critical severity9.9NVD Advisory· Published Nov 4, 2026· Updated Nov 4, 2026

CVE-2026-121600

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Totolink/A950RGllm-fuzzy
Range: 4.1.2cu.5268_B20221104

Patches

Vulnerability mechanics

References

gist.github.com/H3rmesk1t/217c00b12e04fcde07c453a55579f808nvd
vuldb.com/cve/CVE-2026-121600nvd
vuldb.com/submit/1022562nvd
vuldb.com/vuln/430442nvd
vuldb.com/vuln/430442/ctinvd
www.totolink.netnvd

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