CVE-2026-51641

The TOTOLINK T6 (firmware version 4.1.5cu.748_B20211015 ) is affected by an incorrect access control vulnerability within the getWiFiMeshConfig function. An unauthenticated attacker can exploit this by sending a crafted POST request to /cgi-bin/cstecgi.cgi. This allows the attacker to obtain sens...

CVE-2026-51627

The TOTOLINK T6 router, running firmware version 4.1.5cu.748_B20211015 , is vulnerable to an incorrect access control flaw in the getIptvCfg function. An unauthenticated attacker can exploit this by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint. Successful exploitation allow...

CVE-2026-51639

The TOTOLINK T6 router, running firmware version 4.1.5cu.748_B20211015 , is vulnerable to an incorrect access control flaw within the getApWiFiSchCfg function. An unauthenticated attacker can obtain AP-specific Wi-Fi scheduling rules by sending a crafted POST request to /cgi-bin/cstecgi.cgi. No s...

CVE-2026-51646

The TOTOLINK T6 router, specifically version 4.1.5cu.748_B20211015 , is vulnerable to an incorrect access control flaw in the getParentalRules function. An unauthenticated attacker can obtain parental-control rules by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint. No informa...

CVE-2026-51619

The TOTOLINK T6 router, running firmware version 4.1.5cu.748_B20211015 , contains an incorrect access control vulnerability in the getOnlineClient function. This flaw allows unauthenticated attackers to obtain online client information by sending a crafted POST request to the /cgi-bin/cstecgi.cgi...

CVE-2026-51622

The TOTOLINK T6 running firmware version 4.1.5cu.748_B20211015 is vulnerable to an incorrect access control flaw in the getWanCfg function. An unauthenticated attacker can obtain sensitive WAN configuration data by sending a crafted POST request to /cgi-bin/cstecgi.cgi. No specific exploit detail...

EUVD-2026-67888

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

EUVD-2026-67904

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

EUVD-2026-67912

Incorrect access control in the getAccessDeviceCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain access-device policy and client state information via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83197

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

PT-2026-83209

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the getCrpcConfig function allows unauthenticated attackers to obtain cloud remote-control status and URL information. This is achieved by sending a crafted POST...

PT-2026-83206

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

CVE-2026-51665

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

CVE-2026-51665

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

CVE-2026-51628

Incorrect access control in the getGenerateWiFiWpsPin function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to generate and retrieve a new WPS PIN via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51617

Incorrect access control in the getSysStatusCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain sensitive information such as operation mode, firmware version, serial number, WAN/LAN IP addresses, WiFi SSID, encryption keys, and connected client statistics...

CVE-2026-51648

Incorrect access control in the getWanInfo function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain WAN information returned by the endpoint via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51664

Incorrect access control in the getTelnetCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain Telnet service enablement status information via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51633

Incorrect access control in the getWiFiEasyGuestCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain simplified guest Wi-Fi configuration, including guest credentials, via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51610

Incorrect access control in the RebootSystem function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to arbitrarily force an immediate reboot via sending a crafted POST request to /cgi-bin/cstecgi.cgi...