Vulnerability · Published Sep 1, 2026 · Assigned by mitre
CVE-2026-51766
High 7.5
In plain English
A high-severity improper access control in the affected software. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 51.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H