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-2026-51729

The TOTOLINK T6 wireless dual-band Mesh router (version 4.1.5cu.748_B20211015 ) is vulnerable to an improper access control flaw in the delDevice function. This vulnerability allows unauthenticated attackers to delete managed slave devices by 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...

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-2026-83899

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

PT-2026-83871

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

PT-2026-83875

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

PT-2026-83854

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

PT-2026-83856

Incorrect access control in the setDdnsCfg function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to alter dynamic DNS state 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-2026-83852

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the setUploadSetting function allows unauthenticated attackers to manipulate the upload or flash workflow. This is achieved by sending a crafted POST request to...

PT-2026-83885

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the setWiFiWpsStart function allows unauthenticated attackers to open a wireless pairing window. This is achieved by sending a crafted POST request to the...

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-2026-83892

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the delStaticDhcpRules function allows unauthenticated attackers to remove static DHCP reservations. This is achieved by sending a crafted POST request to the...

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-2026-83886

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-2026-83876

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the setParentalRules function allows unauthenticated attackers to modify parental-control behavior. This is achieved by sending a specially crafted POST request ...

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...

EUVD-2026-68673

Incorrect access control in the setWiFiRepeaterCfg function of TOTOLINK T6 4.1.5cu.748B20211015 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...

EUVD-2026-68671

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