Unauthorized MQTT Message Resets TOTOLINK T6 Device

Incorrect access control in the recvClearPairCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to reset pairing state and reboot the device via sending a crafted MQTT message to the cs_broker component.

Incorrect access control in the meshInfoKick function of TOTOLINK T6 4.1.5cu.748_B20211015 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 cs_broker component.

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.

Incorrect access control in the setWiFiEasyCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to reconfigure or disable wireless networks via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the clearDiagnosisLog function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to erase diagnosis logs via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the keepAlive function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to emit indirect mesh heartbeat information toward the master via sending a crafted MQTT message to the cs_broker component.

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.

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.

Incorrect access control in the meshSlaveUpdate function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to start a firmware download or flash workflow on the slave device via sending a crafted MQTT message to the cs_broker component.

Unauthenticated HTTP POST Exploit Reduces WiFi Power or Causes DoS

Incorrect access control in the setWiFiSignalCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to reduce wireless power or cause a Denial of Service (DoS) via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the setUpgradeFW function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to trigger firmware-upgrade workflow changes via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the setWiFiEasyGuestCf function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to create or weaken guest wireless access via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the UploadFirmwareFile function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to upload a crafted firmware image via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the setStorageCfg function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to alter the storage-related service state via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Unauthenticated Upload/Flash Manipulation on TOTOLINK T6

Incorrect access control in the setUploadSetting function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to manipulate the upload or flash workflow via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the FirmwareUpgrade function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to remove Wi-Fi schedule entries via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the LoadDefSettings function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to reset the device configuration and reboot the device via sending a crafted POST request to /cgi-bin/cstecgi.cgi.

Incorrect access control in the delSlaveDevice function of TOTOLINK T6 4.1.5cu.748_B20211015 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 cs_broker component.

Incorrect access control in the freeStaClient function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to forcibly disconnect wireless clients via sending a crafted MQTT message to the cs_broker component.

Incorrect access control in the setElinkQosConfig function of TOTOLINK T6 4.1.5cu.748_B20211015 allows unauthenticated attackers to modify privileged QoS policy on the master device via sending a crafted MQTT message to the cs_broker component.