EUVD-2026-69195

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...

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...

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-2026-51762

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...

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...

CVE-2026-51757

CVE-2026-51757 is a critical access-control flaw (CVSS 9.8 ) in the TOTOLINK T6 mesh router, firmware 4.1.5cu.748_B20211015 . The meshSlaveUpdate function in the cs_broker component does not properly validate incoming requests, allowing an unauthenticated remote attacker to send a crafted MQTT me...

CVE-2026-51769

TOTOLINK T6 router version 4.1.5cu.748_B20211015 has an incorrect access control vulnerability in the remoteCloudUpdateCheck function. An unauthenticated, remote attacker can send a crafted MQTT message to the cs_broker component to restart the cloud update check workflow. The CVSS v3.1 score is ...

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-2026-51747

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-2026-51756

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...

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-2026-51768

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...

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...

EUVD-2026-69199

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...

EUVD-2026-69194

Incorrect access control in the recvIndirectMeshInfo function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to insert or replace mesh neighbor records 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-2026-51750

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-2026-51760

TOTOLINK T6 routers running firmware 4.1.5cu.748_B20211015 contain an incorrect access control flaw in the informSyncUpgfw function, mediated through the cs_broker MQTT component. An unauthenticated network attacker can send a crafted MQTT message to mass-trigger firmware update activity across a...

CVE-2026-51761

An incorrect access control flaw in the updateLanIp function of the TOTOLINK T6 router (version 4.1.5cu.748_B20211015) allows unauthenticated attackers to refresh the LAN address state by sending a crafted MQTT message to the cs_broker component. The CVSS 3.1 score is 5.3 (Medium) with Low integr...

CVE-2026-51750

TOTOLINK T6 (firmware 4.1.5cu.748_B20211015) contains an incorrect access control flaw in the updatePriChannel function, accessible via the cs_broker MQTT component. An unauthenticated network attacker can send a crafted MQTT message to rescan and switch the primary mesh channel , disrupting wire...