CVE-2026-51611

Critical severity, CVSS 9.8. EPSS: 0.6% chance of exploitation in the next 30 days.

Incorrect access control in the startSlaveReboot function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to arbitrarily force a reboot via sending a crafted MQTT message.

Published 2026-08-28. Last modified 2026-09-02.