PT-2026-83887

Incorrect access control in the setManualDialCfg function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to manipulate WAN dial state 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-2026-83872

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

CVE-2026-51674: Improper Access Control

Incorrect access control in the setScheduleCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to configure forced reboot tasks via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51702

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

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-2026-51681

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

CVE-2026-51739

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-2026-68651

Incorrect access control in the setDmzCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to expose an internal host via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51684

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

CVE-2026-51723

The TOTOLINK T6 wireless dual-band Mesh router (firmware version 4.1.5cu.748_B20211015 ) is vulnerable to an incorrect access control flaw within the UploadCustomModule function. This vulnerability allows unauthenticated attackers to install a custom CGI module by sending a specially crafted POST...

CVE-2026-51689

The TOTOLINK T6 wireless dual-band Mesh router (version 4.1.5cu.748_B20211015 ) is vulnerable to an incorrect access control flaw in the setUpgradeFW() function. An unauthenticated attacker can exploit this by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint to trigger unauthor...

CVE-2026-51687

The TOTOLINK T6 wireless dual-band Mesh router (version 4.1.5cu.748_B20211015 ) is vulnerable to an incorrect access control mechanism within the setWiFiEasyGuestCf function. An unauthenticated attacker can exploit this by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint. This ...

CVE-2026-51691

The TOTOLINK T6 wireless dual-band Mesh router, specifically version 4.1.5cu.748_B20211015 , is affected by an incorrect access control vulnerability in the setUploadSetting function. This flaw allows unauthenticated attackers to manipulate the upload or flash workflow by sending a crafted POST r...

CVE-2026-51733

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

CVE-2026-51701

The TOTOLINK T6 router running firmware version 4.1.5cu.748_B20211015 is vulnerable to an incorrect access control flaw in the setMacFilterRules function. This vulnerability allows unauthenticated attackers to modify device access control by sending a crafted POST request to the /cgi-bin/cstecgi....

CVE-2026-51700

The TOTOLINK T6 wireless dual-band Mesh router is vulnerable to an improper access control issue within the setWiFiAdvancedCfg function in version 4.1.5cu.748_B20211015 . This flaw allows unauthenticated attackers to degrade wireless behavior by submitting a specially crafted POST request to the ...

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...

PT-2026-83962

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the FirmwareUpgrade function allows unauthenticated attackers to remove Wi-Fi schedule entries. This is achieved by sending a crafted POST request to the...

EUVD-2026-68537

Incorrect access control in the setScheduleCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to configure forced reboot tasks via sending a crafted POST request to /cgi-bin/cstecgi.cgi...