PT-2026-83977

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the LoadDefSettings function allows unauthenticated attackers to reset the device configuration and reboot the device. This is achieved by sending a crafted POST...

CVE-2026-51713: Improper Access Control

Incorrect access control in the setManualDialCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to manipulate WAN dial state via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51681: Improper Access Control

Incorrect access control in the setRemoteCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to expose WAN-side administration via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68534

Incorrect access control in the getCloudDownloadStatus function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain cloud firmware download state information via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51708

Incorrect access control in the setWiFiWpsCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to change WPS availability via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68585

Incorrect access control in the setWanCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter upstream provisioning and connectivity via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51702

Incorrect access control in the setIpPortFilterRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter firewall policies via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51719

Incorrect access control in the delUrlFilterRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove URL filtering rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51717

Incorrect access control in the setOpModeCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to change the device operating mode via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51689

Incorrect access control in the setUpgradeFW function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to trigger firmware-upgrade workflow changes via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51739

Incorrect access control in the CloudSrvVersionCheck function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to trigger cloud update checks via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51735

Incorrect access control in the showSyslog function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to retrieve recent system logs via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51734

Incorrect access control in the informSlaveUpdate function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to trigger mesh slave update coordination via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51732

Incorrect access control in the delWiFiScheduleCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove Wi-Fi schedule entries via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51706

Incorrect access control in the setSmartQosCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to degrade traffic handling via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51704

Incorrect access control in the setWiFiMeshConfig function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter mesh configurations via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51703

Incorrect access control in the setWiFiScheduleCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter when Wi-Fi is available via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51684

Incorrect access control in the setStorageCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter the storage-related service state via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51719

Incorrect access control in the delUrlFilterRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove URL filtering rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51708: Improper Access Control

Incorrect access control in the setWiFiWpsCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to change WPS availability via sending a crafted POST request to /cgi-bin/cstecgi.cgi...