CVE-2026-121600

EUVD-2026-116669
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
9.9 CRITICAL
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 40.49%
Common Weakness Enumeration
References
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/