CVE-2026-75458: Authorization Bypass Through User-Controlled Key

The teacher-end interface POST /api/teacher/user/delete/id in XueZhiSi Open Source Exam System = 3.9.0 contains a vertical privilege escalatio vulnerability. This interface accepts a user ID and then executes getUserByIdid, setDeletedtrue, updateByIdFilter in sequence, without any validation of...

EUVD-2026-68652

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

EUVD-2026-68531

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

EUVD-2026-68638

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

CVE-2026-51695: Improper Access Control

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

CVE-2026-51697: Improper Access Control

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

CVE-2026-51670: Improper Access Control

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...

CVE-2026-51674: Improper Access Control

Incorrect access control in the setScheduleCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to configure forced reboot tasks via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51721: Improper Access Control

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...

CVE-2026-51716: Improper Access Control

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

CVE-2026-51719: Improper Access Control

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-2026-51725: Improper Access Control

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-2026-68645

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-2026-51686: Improper Access Control

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-2026-68584

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-2026-68538

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...

PT-2026-83828

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

PT-2026-83931

Incorrect access control in the SystemSettings function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to retrieve administrative import and export endpoint information via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83830

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

PT-2026-83892

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