PT-2026-83900

Incorrect access control in the setWiFiRepeaterCfg function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to repoint the device to an attacker-controlled upstream Wi-Fi via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83869

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

PT-2026-83855

Incorrect access control in the setStaticDhcpRules function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to add or change static DHCP rules 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...

PT-2026-83804

Incorrect access control in the setWizardCfg function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to reconfigure WAN, Wi-Fi, and device initialization state via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

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...

PT-2026-83930

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

PT-2026-83886

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

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...

PT-2026-83832

Incorrect access control in the setWiFiEasyCfg function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to reconfigure or disable wireless networks via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51696: Improper Access Control

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

CVE-2026-51683: Improper Access Control

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

CVE-2026-51679

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

CVE-2026-51703

The TOTOLINK T6 wireless dual-band Mesh router, running firmware version 4.1.5cu.748_B20211015 , is vulnerable to an incorrect access control flaw in the setWiFiScheduleCfg function. This vulnerability allows unauthenticated attackers to modify the Wi-Fi availability schedule by sending a crafted...

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...

PT-2026-83816

Incorrect access control in the setScheduleCfg function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to configure forced reboot tasks 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...

CVE-2026-51734

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

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...

EUVD-2026-68590

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...