CVE-2026-51766

Incorrect access control in the setDevReboot function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to reboot the local device and, on a master, fan out reboot commands to mesh slaves via sending a crafted MQTT message to the cs_broker component.

  • Published Sep 1, 2026
  • CVSS 7.5 high
  • 0.6% chance of exploitation in the next 30 days (EPSS)

CVE-2026-51766 at the National Vulnerability Database