EUVD-2026-68742

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-2026-68714

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

CVE-2026-51711

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-2026-51715

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...

PT-2026-83834

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the setWiFiSignalCfg function allows unauthenticated attackers to reduce wireless power or cause a Denial of Service DoS, which is a condition where the service...

CVE-2026-51731

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-2026-83892

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...

CVE-2026-51681

An incorrect access control flaw in the setRemoteCfg function of the TOTOLINK T6 router (firmware 4.1.5cu.748_B20211015) allows an unauthenticated attacker to send a crafted POST request to /cgi-bin/cstecgi.cgi , thereby exposing the device's WAN-side administration interface. The vulnerability i...

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-2026-68584

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...

CVE-2026-51709

CVE-2026-51709 is an incorrect access control vulnerability in the setWiFiBasicCfg function of the TOTOLINK T6 router, firmware 4.1.5cu.748_B20211015 . Unauthenticated attackers can reconfigure primary Wi-Fi settings by sending a crafted POST request to /cgi-bin/cstecgi.cgi. The CNA-assigned CVSS...

CVE-2026-51687

An incorrect access control vulnerability in the setWiFiEasyGuestCf function of the TOTOLINK T6 wireless router (firmware 4.1.5cu.748_B20211015 ) allows unauthenticated attackers to create or weaken guest wireless access by sending a crafted POST request to /cgi-bin/cstecgi.cgi. The vulnerability...

CVE-2026-51694

Incorrect access control in the setStaticDhcpRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to add or change static DHCP rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

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-2026-51671

TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 contains an incorrect access control flaw in the getCloudDownloadStatus function, exposed through the endpoint /cgi-bin/cstecgi.cgi. An unauthenticated attacker can send a crafted POST request to retrieve cloud firmware download state information...

EUVD-2026-68009

Incorrect access control in the getWiFiApcliScan function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to trigger wireless scans and retrieve AP-client scan results via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68005

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...

EUVD-2026-68006

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

EUVD-2026-68007

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