Description
Incorrect access control in the setWanCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter upstream provisioning and connectivity via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
Critical · 9.1
CVE-2026-51690
EUVD-2026-68585GHSA-4wrw-r87c-p2q9
Incorrect access control in the setWanCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter upstream …
Published Aug 31, 2026 · Updated Sep 2, 2026 · Assigned by mitre