Description
Incorrect access control in the setUpgradeFW function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger firmware-upgrade workflow changes via sending a crafted POST request to /cgi-bin/cstecgi.cgi.
Critical · 9.1
CVE-2026-51689
EUVD-2026-68584GHSA-68j6-9q5v-hxhw
Incorrect access control in the setUpgradeFW function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger firm…
Published Aug 31, 2026 · Updated Sep 2, 2026 · Assigned by mitre