CVE-2026-51691

Incorrect access control in the setUploadSetting function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to manipulate the upload or flash workflow via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68642

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

PT-2026-83813

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

PT-2026-83815

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

CVE-2026-51691: Improper Access Control

Incorrect access control in the setUploadSetting function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to manipulate the upload or flash workflow 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...

CVE-2026-51689: Improper Access Control

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-2026-51692: Improper Access Control

Incorrect access control in the setWiFiGuestCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to establish or weaken guest wireless access via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51681

Incorrect access control in the setRemoteCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to expose WAN-side administration via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51701

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

CVE-2026-51721

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...

PT-2026-83979

Incorrect access control in the killProcess function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to terminate critical services via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83898

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

CVE-2026-51687

Incorrect access control in the setWiFiEasyGuestCf function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to create or weaken guest wireless access via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51680

The TOTOLINK T6 (firmware version 4.1.5cu.748_B20211015 ) is vulnerable to an incorrect access control flaw in the setLedCfg function. This allows unauthenticated attackers to modify the device's LED behavior by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint. Exploitation det...

CVE-2026-51721

The TOTOLINK T6 wireless dual-band Mesh router (version 4.1.5cu.748_B20211015 ) is vulnerable to an improper access control flaw in the setPairCfg function. An unauthenticated attacker can exploit this by sending a crafted POST request to /cgi-bin/cstecgi.cgi , which allows them to alter the mesh...

CVE-2026-51714

The TOTOLINK T6 wireless dual-band Mesh router, specifically version 4.1.5cu.748_B20211015 , is vulnerable to an incorrect access control flaw in the setRoamingCfg function. This vulnerability allows unauthenticated attackers to modify the device's roaming behavior by sending a crafted POST reque...

CVE-2026-51730

The TOTOLINK T6 wireless dual-band Mesh router is vulnerable to an incorrect access control flaw in the delWiFiAclRules function, specifically affecting version 4.1.5cu.748_B20211015 . An unauthenticated attacker can exploit this by sending a crafted POST request to /cgi-bin/cstecgi.cgi to remove...

CVE-2026-51686

The TOTOLINK T6 wireless dual-band Mesh router (firmware version 4.1.5cu.748_B20211015 ) is vulnerable to an incorrect access control issue within the setWiFiEasyCfg function. This flaw allows unauthenticated attackers to reconfigure or disable wireless networks by sending a specially crafted POS...

CVE-2026-51668

The TOTOLINK T6 wireless dual-band Mesh router (firmware version 4.1.5cu.748_B20211015 ) is susceptible to an improper access control vulnerability in the setLanguageCfg function. An unauthenticated attacker can exploit this by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint t...