Security Advisory

CVE-2026-51744

9.8
CRITICAL

Vulnerability Description

Incorrect access control in the recv_mesh_info_sync function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to force mesh configuration synchronization from an attacker-controlled host via sending a crafted MQTT message to the cs_broker component.
Published Date September 1, 2026
Official Source NIST NVD Advisory