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.

Affected products

References

External links from the record. They lead to third-party sites.

• VDB-430442 | TOTOLINK A950RG MAC Filter cstecgi.cgi setMacFilterRules stack-based overflow technical-description, vdb-entry
  https://vuldb.com/vuln/430442
• VDB-430442 | CTI Indicators (IOB, IOC, IOA) permissions-required, signature
  https://vuldb.com/vuln/430442/cti
• CVE-2026-121600 | CVE Analysis and Report third-party-advisory
  https://vuldb.com/cve/CVE-2026-121600
• Submit #1022562 | TOTOLINK A950RG V4.1.2cu.5268_B20221104 Stack Buffer Overflow third-party-advisory
  https://vuldb.com/submit/1022562
• https://gist.github.com/H3rmesk1t/217c00b12e04fcde07c453a55579f808 exploit
• https://www.totolink.net/ product