EUVD-2026-68648

Server-side request forgery SSRF in the /har/test endpoint in QD 20220208 through 20250803. Fetcher.buildrequest in libs/fetcher.py constructs an httpclient.HTTPRequest from user-supplied JSON without validating URL scheme, host, or IP range. The /har/test handler does not require authentication,...

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...

PT-2026-83885

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

EUVD-2026-68753

Incorrect access control in the FirmwareUpgrade 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-2026-51734

An incorrect access control vulnerability in the informSlaveUpdate function of the TOTOLINK T6 (firmware 4.1.5cu.748_B20211015) allows an unauthenticated network attacker to trigger mesh slave update coordination by sending a crafted POST request to /cgi-bin/cstecgi.cgi. The CNA-assigned CVSS 3.1...

EUVD-2026-68641

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

CVE-2026-51669

Incorrect access control in the getPairCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain pairing and mesh-slave configuration via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83891

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

EUVD-2026-68755

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

PT-2026-83867

Server-side request forgery SSRF in the /har/test endpoint in QD 20220208 through 20250803. Fetcher.build request in libs/fetcher.py constructs an httpclient.HTTPRequest from user-supplied JSON without validating URL scheme, host, or IP range. The /har/test handler does not require authentication...

CVE-2026-51702

An incorrect access control vulnerability in the setIpPortFilterRules function of TOTOLINK T6 firmware 4.1.5cu.748_B20211015 allows an unauthenticated attacker within the adjacent network to alter firewall policies by sending a crafted POST request to /cgi-bin/cstecgi.cgi. The CVSS 3.1 score is 4...

CVE-2026-51680

An incorrect access control vulnerability in the setLedCfg function of the TOTOLINK T6 router (version 4.1.5cu.748_B20211015 ) allows unauthenticated attackers to modify LED behavior by sending a crafted POST request to /cgi-bin/cstecgi.cgi. The CNA-assigned CVSS 3.1 score is 9.1 (Critical) with ...

CVE-2026-51697

An incorrect access control flaw in the setIptvCfg function of the TOTOLINK T6 router (firmware 4.1.5cu.748_B20211015) allows an unauthenticated attacker to alter IPTV service configuration by sending a crafted POST request to /cgi-bin/cstecgi.cgi. The CVSS 3.1 score is 9.1 (CRITICAL) , reflectin...

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-2026-51732

An incorrect access control flaw in the delWiFiScheduleCfg function of the TOTOLINK T6 router (firmware 4.1.5cu.748_B20211015 ) allows unauthenticated attackers to remove Wi-Fi schedule entries by sending a crafted POST request to /cgi-bin/cstecgi.cgi. The CVSS 3.1 score is 5.3 (Medium) with a ne...

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...

CVE-2026-51668

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...