What is CVE-2026-51766?

CVE-2026-51766 is a high-severity vulnerability in N/a, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-09-01.

How severe is CVE-2026-51766?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in N/a

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.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

cve@mitre.org
cve@mitre.org
cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2026-51766?: CVE-2026-51766 is a high-severity vulnerability in N/a, classified under Improper Access Control. CVSS score: 7.5/10. Published 2026-09-01.
How severe is CVE-2026-51766?: High severity. CVSS v3 base score is 7.5 out of 10.