Is CVE-2026-51766 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-51766?

CVE-2026-51766 has a CVSS v3 severity of HIGH (7.5).

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CVE-2026-51766

Description

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.