Vulnerability · Published Sep 1, 2026 · Assigned by mitre
CVE-2026-51761
Medium 5.3
In plain English
A medium-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 0.4% (higher than 35% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.4%top 65.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Incorrect access control in the updateLanIp function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to refresh the LAN address state 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:L/A:N