EUVD-2026-68716

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...

CVE-2026-51683

TOTOLINK T6 router (firmware 4.1.5cu.748_B20211015 ) contains an incorrect access control flaw in the setLanCfg function. An unauthenticated attacker on the adjacent network can alter LAN network configuration by sending a crafted POST request to /cgi-bin/cstecgi.cgi. The CVSS v3.1 score is 4.3 (...

CVE-2026-51711

CVE-2026-51711 is an incorrect access control vulnerability in the setWiFiWpsStart 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 open a WPS (Wi-Fi Protected Setup) pairing window , rated...

CVE-2026-51720

An incorrect access control vulnerability in the delIpPortFilterRules function of the TOTOLINK T6 router (firmware 4.1.5cu.748_B20211015) allows an unauthenticated attacker to delete firewall filter rules by sending a crafted POST request to /cgi-bin/cstecgi.cgi. The NVD-assigned CVSS v3.1 score ...

CVE-2026-51691

CVE-2026-51691 is a critical (CVSS 9.8) incorrect access control vulnerability in the TOTOLINK T6 router, firmware version 4.1.5cu.748_B20211015 . The flaw resides in the setUploadSetting function, which is reachable via a crafted POST request to /cgi-bin/cstecgi.cgi. An unauthenticated network a...

EUVD-2026-68751

Incorrect access control in the showSyslog function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to retrieve recent system logs via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68749

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

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...

CVE-2026-51725

CVE-2026-51725 is an incorrect access control vulnerability in the NTPSyncWithHost function of TOTOLINK T6 (version 4.1.5cu.748_B20211015). An unauthenticated remote attacker can send a crafted POST request to /cgi-bin/cstecgi.cgi to change the device clock, rated CVSS 9.1 (CRITICAL) with high co...

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...

CVE-2026-51695

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...

PT-2026-83835

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the setUpgradeFW function allows unauthenticated attackers to trigger firmware-upgrade workflow changes. This is achieved by sending a crafted POST request to th...

CVE-2026-51705

TOTOLINK T6 routers running firmware 4.1.5cu.748_B20211015 contain an incorrect access control flaw in the setWiFiMeshName function. An unauthenticated attacker can send a crafted POST request to /cgi-bin/cstecgi.cgi to rename mesh entries , with a CVSS 3.1 score of 9.8 (CRITICAL) reflecting high...

CVE-2026-51667

The TOTOLINK T6 router (version 4.1.5cu.748_B20211015 ) is affected by an incorrect access control flaw in the getWiFiIpMacTable function. An unauthenticated attacker on the adjacent network can send a crafted POST request to /cgi-bin/cstecgi.cgi to obtain Wi-Fi client MAC-to-IP mappings , a low-...

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...