CVE-2026-51744

The TOTOLINK T6 wireless dual-band Mesh router, specifically version 4.1.5cu.748_B20211015 , is vulnerable to an improper access control flaw in the recv_mesh_info_sync function. This vulnerability allows unauthenticated attackers to force a mesh configuration synchronization from an attacker-con...

PT-2026-84220

Incorrect access control in the sendStaticInfoToMaster function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to update stored slave inventory records via sending a crafted MQTT message to the cs broker component...

CVE-2026-51743

Incorrect access control in the guestwifisync function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to disable guest virtual AP interfaces via sending a crafted MQTT message to the csbroker component...

EUVD-2026-69197

Incorrect access control in the meshInfoKick function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to kick or clean stale mesh information/state and trigger regeneration of mesh metadata via sending a crafted MQTT message to the csbroker component...

CVE-2026-51764: Improper Access Control

Incorrect access control in the recvSlaveCloudCheckStatus function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to overwrite cloud-result tracking files via sending a crafted MQTT message to the csbroker component...

CVE-2026-51757: Improper Access Control

Incorrect access control in the meshSlaveUpdate function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to start a firmware download or flash workflow on the slave device via sending a crafted MQTT message to the csbroker component...

CVE-2026-51742: Improper Access Control

Incorrect access control in the discoverWan function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to trigger WAN discovery logic via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51743: Improper Access Control

Incorrect access control in the guestwifisync function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to disable guest virtual AP interfaces via sending a crafted MQTT message to the csbroker component...

CVE-2026-51744: Improper Access Control

Incorrect access control in the recvmeshinfosync function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to force mesh configuration synchronization from an attacker-controlled host via sending a crafted MQTT message to the csbroker component...

CVE-2026-51745: Improper Access Control

Incorrect access control in the updatePriStaList function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to refresh the primary station list via sending a crafted MQTT message to the csbroker component...

CVE-2026-51751: Improper Access Control

Incorrect access control in the delSlaveDevice function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove a specified slave device from local mesh management data and reboot the system via sending a crafted MQTT message to the csbroker component...

CVE-2026-51754: Improper Access Control

Incorrect access control in the updateSlaveIpList function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to overwrite the slave IP inventory state via sending a crafted MQTT message to the csbroker component...

CVE-2026-51767: Improper Access Control

Incorrect access control in the recvClearPairCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to reset pairing state and reboot the device via sending a crafted MQTT message to the csbroker component...

CVE-2026-51744

Incorrect access control in the recvmeshinfosync function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to force mesh configuration synchronization from an attacker-controlled host via sending a crafted MQTT message to the csbroker component...

EUVD-2026-69205

Incorrect access control in the updatePriChannel function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to rescan and switch the primary mesh channel 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-2026-51744

Incorrect access control in the recvmeshinfosync function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to force mesh configuration synchronization from an attacker-controlled host via sending a crafted MQTT message to the csbroker component...

CVE-2026-51745

The TOTOLINK T6 running firmware version 4.1.5cu.748_B20211015 is vulnerable to incorrect access control in the updatePriStaList function. This flaw allows unauthenticated attackers to refresh the primary station list by sending a crafted MQTT message to the cs_broker component. No specific remed...

CVE-2026-51752

The TOTOLINK T6 running firmware version 4.1.5cu.748_B20211015 is vulnerable to an incorrect access control issue within the staticInfoSend function. An unauthenticated attacker can exploit this by sending a crafted MQTT message to the cs_broker component, which triggers the device to report stat...

CVE-2026-51765

The TOTOLINK T6 wireless dual-band Mesh router (version 4.1.5cu.748_B20211015 ) is vulnerable to an incorrect access control flaw in the recvIndirectMeshInfo function. An unauthenticated attacker can exploit this by sending a crafted MQTT message to the cs_broker component to insert or replace me...