PT-2026-84239

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...

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...

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...

PT-2026-84236

A denial-of-service security issue exists in the affected Logix platforms listed in the table above. The security issue stems from improper validation of input length during CIP message processing. This can result in a major nonrecoverable fault MNRF, requiring a power cycle to recover...

PT-2026-84207

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...

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-2026-51769

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-2026-51768

Incorrect access control in the setElinkQosConfig function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to modify privileged QoS policy on the master device via sending a crafted MQTT message to the csbroker component...

CVE-2026-51767

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-2026-51768

The TOTOLINK T6 running firmware version 4.1.5cu.748_B20211015 is vulnerable to an incorrect access control flaw in the setElinkQosConfig function. This vulnerability allows unauthenticated attackers to modify privileged QoS policies on the master device by sending a crafted MQTT message to the c...

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...

CVE-2026-51761

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...

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...

EUVD-2026-69378

Incorrect access control in the setElinkQosConfig function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to modify privileged QoS policy on the master device via sending a crafted MQTT message to the csbroker component...

PT-2026-84290

Name of the Vulnerable Software and Affected Versions NetStaX EtherNet/IP Stack versions prior to 5.6.1 Description An issue exists where a large Class 3 explicit-message request can exceed the application-side receive buffer without triggering an error or warning. This can lead to memory...

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...

CVE-2026-51762

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-2026-51747

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-2026-51760

Incorrect access control in the informSyncUpgfw function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to mass-trigger firmware update activity across mesh slaves via sending a crafted MQTT message to the csbroker component...

CVE-2026-51763: Improper Access Control

Incorrect access control in the freeStaClient function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to forcibly disconnect wireless clients via sending a crafted MQTT message to the csbroker component...