EUVD-2026-69201

Incorrect access control in the meshSlaveUpgfw function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to start firmware flashing using existing upgrade files via sending a crafted MQTT message to the csbroker component...

PT-2026-84244

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

PT-2026-84238

Incorrect access control in the meshSlaveUpgfw function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to start firmware flashing using existing upgrade files via sending a crafted MQTT message to the cs broker component...

EUVD-2026-69198

Incorrect access control in the updateLanIp function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to refresh the LAN address state via sending a crafted MQTT message to the csbroker component...

PT-2026-84221

Incorrect access control in the updatePriChannel function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to rescan and switch the primary mesh channel via sending a crafted MQTT message to the cs broker component...

CVE-2026-51757

The TOTOLINK T6 running firmware version 4.1.5cu.748_B20211015 is vulnerable to an incorrect access control flaw in the meshSlaveUpdate function. An unauthenticated attacker can trigger a firmware download or flash workflow on a slave device by sending a crafted MQTT message to the cs_broker comp...

EUVD-2026-69380

Incorrect access control in the sendToMasterQosConfig function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to forward attacker-controlled QoS settings to the master via sending a crafted MQTT message to the csbroker component...

PT-2026-84204

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

CVE-2026-51745

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-2026-51748

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

EUVD-2026-69193

Incorrect access control in the setDevReboot function of TOTOLINK T6 4.1.5cu.748B20211015 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 csbroker component...

PT-2026-84245

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the recvIndirectMeshInfo function allows unauthenticated attackers to insert or replace mesh neighbor records. This is achieved by sending a crafted MQTT message...

CVE-2026-51769

The TOTOLINK T6 running firmware version 4.1.5cu.748_B20211015 is susceptible to an incorrect access control vulnerability in the remoteCloudUpdateCheck function. An unauthenticated attacker can exploit this by sending a crafted MQTT message to the cs_broker component, which allows them to restar...

PT-2026-84224

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

CVE-2026-51767

The TOTOLINK T6 wireless dual-band Mesh router (version 4.1.5cu.748_B20211015 ) is vulnerable to incorrect access control within the recvClearPairCfg function. This flaw allows unauthenticated attackers to send a specially crafted MQTT message to the cs_broker component. Successful exploitation c...

CVE-2026-51769

Incorrect access control in the remoteCloudUpdateCheck function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to restart the cloud update check workflow via sending a crafted MQTT message to the csbroker component...

CVE-2026-51770

The TOTOLINK T6 (version 4.1.5cu.748_B20211015 ) is affected by an incorrect access control vulnerability in the sendToMasterQosConfig function. An unauthenticated attacker can forward attacker-controlled Quality of Service (QoS) settings to the master by sending a crafted MQTT message to the cs_...

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...

VulnCheck KEV: CVE-2025-60702

A command injection vulnerability exists in the TOTOLINK A950RG Router firmware V5.9c.4592B20191022ALL within the system.so binary. The setDiagnosisCfg function retrieves the ipDoamin parameter from user input via websGetVar and concatenates it directly into a ping system command executed via...

PT-2026-84241

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...