CVE-2026-51695

An incorrect access control flaw in the setDdnsCfg function of the TOTOLINK T6 router (firmware 4.1.5cu.748_B20211015 ) allows an unauthenticated attacker to alter the device's dynamic DNS configuration by sending a crafted POST request to /cgi-bin/cstecgi.cgi. The flaw scores CVSS 3.1: 7.5 (High...

PT-2026-83856

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

CVE-2026-51690

The TOTOLINK T6 running firmware version 4.1.5cu.748_B20211015 is vulnerable to an incorrect access control flaw in the setWanCfg() function. This security weakness allows unauthenticated attackers to modify upstream provisioning and connectivity by sending a crafted POST request to the /cgi-bin/...

PT-2026-83836

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the setWanCfg function allows unauthenticated attackers to alter upstream provisioning and connectivity. This is achieved by sending a crafted POST request to th...

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-2026-51690

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...

PT-2026-83810

Incorrect access control in the setLanguageCfg function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to modify language configuration via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51673

Incorrect access control in the setNtpCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter time synchronization settings 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-2026-51730

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

PT-2026-83890

Incorrect access control in the delPortForwardRules function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to delete port-forwarding rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83870

Incorrect access control in the setWiFiScheduleCfg function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to alter when Wi-Fi is available 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-2026-51717

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...

EUVD-2026-68678

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-2026-51717

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...

EUVD-2026-68649

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

PT-2026-83862

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

PT-2026-83928

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

CVE-2026-51712

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