EUVD-2026-68752

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...

EUVD-2026-68636

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...

EUVD-2026-68637

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...

EUVD-2026-68651

Incorrect access control in the setDmzCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to expose an internal host via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68647

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...

EUVD-2026-68634

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

CVE-2026-51723

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...

PT-2026-83853

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the setWiFiGuestCfg function allows unauthenticated attackers to establish or weaken guest wireless access. This is achieved by sending a crafted POST request to...

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...

CVE-2026-51726

CVE-2026-51726 is an incorrect access control vulnerability in the delParentalRules function of TOTOLINK T6 firmware 4.1.5cu.748_B20211015 . Unauthenticated remote attackers can send a crafted POST request to /cgi-bin/cstecgi.cgi to remove parental-control rules. The CVSS 3.1 score is 9.1 (CRITIC...

CVE-2026-51736

TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 contains an incorrect access control flaw in the clearSyslog function, reachable via a crafted POST request to /cgi-bin/cstecgi.cgi. Because no authentication is required, a network-based attacker can erase system logs , destroying evidence of pr...

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...

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...

EUVD-2026-68512

Incorrect access control in the getWiFiIpMacTable function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain Wi-Fi client MAC-to-IP mappings via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83932

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the UploadFirmwareFile function allows unauthenticated attackers to upload a crafted firmware image. This is achieved by sending a crafted POST request to the...

CVE-2026-38577

Insecure hardcoded credentials in the Admin account of Tenda HG21 V4.0.0-260302 allows attackers to gain root access...

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...

EUVD-2026-68712

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

EUVD-2026-68711

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...

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...