TOTOLINK T6 Access Control Vulnerability (CNVD-2026-38588)

TOTOLINK T6 is a wireless dual-band Mesh router launched by TOTOLINK. The TOTOLINK T6 has a vulnerability related to improper access control. This vulnerability stems from improper access control in the keepAlive function. Attackers can exploit this vulnerability by sending specially crafted MQTT...

CVE-2026-51747

Incorrect access control in the keepAlive function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to emit indirect mesh heartbeat information toward the master via sending a crafted MQTT message to the csbroker component...

EUVD-2026-69207

Incorrect access control in the keepAlive function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to emit indirect mesh heartbeat information toward the master via sending a crafted MQTT message to the csbroker component...

CVE-2026-51747

Incorrect access control in the keepAlive function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to emit indirect mesh heartbeat information toward the master via sending a crafted MQTT message to the csbroker component...

CVE-2026-51747

Incorrect access control in the keepAlive function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to emit indirect mesh heartbeat information toward the master via sending a crafted MQTT message to the csbroker component...

The vulnerability of the cckeckKeepAlive() function in the microprogramming software of the TOTOLink T6 system allows a hacker to execute arbitrary commands.

The vulnerability of the cckeckKeepAlive function in the TOTOLink T6 mesh-system’s software lies in the lack of measures taken to neutralize special elements during the processing of the ipAddr parameter. Exploiting this vulnerability allows a remote attacker to execute arbitrary commands...