PT-2026-83893

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

EUVD-2026-68642

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-2026-68643

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...

EUVD-2026-68635

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

CVE-2026-51722

Incorrect access control in the setWiFiRepeaterCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to repoint the device to an attacker-controlled upstream Wi-Fi via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68650

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

EUVD-2026-68672

Incorrect access control in the UploadCustomModule function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to install a custom CGI module via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68675

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

EUVD-2026-68671

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

EUVD-2026-68587

Incorrect access control in the setWiFiGuestCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to establish or weaken guest wireless access via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68754

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-2026-51730

CVE-2026-51730 is an incorrect access control vulnerability in the delWiFiAclRules function of the TOTOLINK T6 router (firmware 4.1.5cu.748_B20211015 ). An unauthenticated attacker can send a crafted POST request to /cgi-bin/cstecgi.cgi to remove Wi-Fi ACL rules , potentially allowing unauthorize...

PT-2026-83979

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

EUVD-2026-68541

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

CVE-2026-51731

TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 is affected by an incorrect access control flaw in the delVlanCfg function. An unauthenticated attacker can send a crafted POST request to /cgi-bin/cstecgi.cgi to remove VLAN entries from the device. The vulnerability is scored CVSS 9.1 (CRITICAL...

EUVD-2026-68713

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

CVE-2026-51736

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

CVE-2026-51738

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

CVE-2026-51676

TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 is affected by an incorrect access control flaw in the setAccessDeviceCfg function. An unauthenticated network attacker can send a crafted POST request to /cgi-bin/cstecgi.cgi to alter access-device policies , with potential high impact on both c...

EUVD-2026-68674

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