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...

CVE-2026-51754

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...

EUVD-2026-69211

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-2026-51762

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-2026-51761

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...

CVE-2026-51763

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...

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-2026-51745

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...

PT-2026-84242

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...

CVE-2026-51760

The TOTOLINK T6 wireless dual-band Mesh router, specifically version 4.1.5cu.748_B20211015 , is vulnerable to an incorrect access control flaw in the informSyncUpgfw() function. Unauthenticated attackers can exploit this by sending a crafted MQTT message to the cs_broker component. This allows th...

PT-2026-84243

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...

CVE-2026-51751

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-2026-51750

The TOTOLINK T6 running firmware version 4.1.5cu.748_B20211015 is susceptible to an incorrect access control vulnerability within the updatePriChannel function. An unauthenticated attacker can exploit this flaw by sending a crafted MQTT message to the cs_broker component. This allows the attacker...

CVE-2026-51756

The TOTOLINK T6 wireless dual-band Mesh router (version 4.1.5cu.748_B20211015 ) is vulnerable to an incorrect access control issue in the meshSlaveUpgfw function. An unauthenticated attacker can trigger a firmware update by sending a specially crafted MQTT message to the cs_broker component, whic...

VulnCheck KEV: CVE-2026-1547

A vulnerability was detected in Totolink A7000R 4.1cu.4154. This affects the function setUnloadUserData of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument pluginname results in command injection. It is possible to launch the attack remotely. The exploit is now public and may be us...

CVE-2026-51751

The TOTOLINK T6 wireless dual-band Mesh router, specifically version 4.1.5cu.748_B20211015 , is vulnerable to an incorrect access control flaw in the delSlaveDevice() function. An unauthenticated attacker can exploit this by sending a crafted MQTT message to the cs_broker component. This allows t...

CVE-2026-51764

The TOTOLINK T6 (version 4.1.5cu.748_B20211015) is vulnerable to an incorrect access control flaw within the recvSlaveCloudCheckStatus function. This vulnerability allows unauthenticated attackers to overwrite cloud-result tracking files by sending a crafted MQTT message to the cs_broker componen...

CVE-2026-51754

The TOTOLINK T6 running firmware version 4.1.5cu.748_B20211015 is affected by an incorrect access control vulnerability in the updateSlaveIpList function. This flaw allows unauthenticated attackers to overwrite the slave IP inventory state by sending a crafted MQTT message to the cs_broker compon...

EUVD-2026-69379

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-2026-51761

The TOTOLINK T6 router, running firmware version 4.1.5cu.748_B20211015 , contains an incorrect access control vulnerability in the updateLanIp function. This flaw allows unauthenticated attackers to refresh the LAN address state by sending a crafted MQTT message to the cs_broker component. No spe...