Critical · 9.1 CVE-2026-51680 EUVD-2026-68543GHSA-qrmm-v4pr-7cm8

Incorrect access control in the setLedCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to modify LED beha…

Published Aug 31, 2026 · Updated Aug 31, 2026 · Assigned by mitre

Description

Incorrect access control in the setLedCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to modify LED behavior via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

References

https://www.totolink.net/home/menu/detail/menu_listtpl/download/id/190/ids/36.html
https://www.totolink.net/
https://github.com/DarkBoulder/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md
https://github.com/ShengWu00/CVE-Vendor-Coordination/blob/main/TOTOLINK/README.md