CVE-2026-51710

TOTOLINK T6 routers running firmware 4.1.5cu.748_B20211015 contain an incorrect access control vulnerability in the setParentalRules function. An unauthenticated attacker on the network can send a crafted POST request to /cgi-bin/cstecgi.cgi to alter parental-control behavior , with high impact t...

EUVD-2026-68581

Incorrect access control in the setWiFiEasyCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to reconfigure or disable wireless networks via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68533

Incorrect access control in the getSlaveUpdate function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to query slave upgrade status and affect upgrade bookkeeping via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83876

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

CVE-2026-51735

An incorrect access control flaw in the showSyslog function of TOTOLINK T6 (firmware 4.1.5cu.748_B20211015) allows unauthenticated attackers to retrieve recent system logs by sending a crafted POST request to /cgi-bin/cstecgi.cgi. The CVSS 3.1 score is 7.5 (High) , reflecting a network-reachable,...

CVE-2026-51669

TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 is affected by an incorrect access control flaw in the getPairCfg function. An unauthenticated attacker can send a crafted POST request to /cgi-bin/cstecgi.cgi to obtain pairing and mesh-slave configuration data. The CVSS 3.1 score is 9.1 (Critic...

CVE-2026-51737

TOTOLINK T6 routers running firmware 4.1.5cu.748_B20211015 contain an incorrect access control flaw in the clearTracerouteLog function. An unauthenticated attacker can send a crafted POST request to /cgi-bin/cstecgi.cgi to erase traceroute logs, enabling concealment of reconnaissance activity. Th...

CVE-2026-51694

CVE-2026-51694 affects TOTOLINK T6 routers running firmware 4.1.5cu.748_B20211015 . An incorrect access control flaw in the setStaticDhcpRules function, exposed via the endpoint /cgi-bin/cstecgi.cgi , allows an unauthenticated attacker to add or modify static DHCP rules by sending a crafted POST ...

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...

CVE-2026-51726

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

EUVD-2026-68677

Incorrect access control in the delStaticDhcpRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to remove static DHCP reservations via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68673

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...

CVE-2026-51677

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

CVE-2026-51678

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-2026-51675

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

CVE-2026-51725

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

EUVD-2026-68542

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

CVE-2026-51693

CVE-2026-51693 is a critical access-control flaw in the setVpnPassCfg 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 weaken the router's edge filtering. The flaw carries a CVSS 3.1 score ...

CVE-2026-51688

Incorrect access control in the setWiFiSignalCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to reduce wireless power or cause a Denial of Service DoS via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51725

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