PT-2026-83862

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

EUVD-2026-68715

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

PT-2026-83977

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the LoadDefSettings function allows unauthenticated attackers to reset the device configuration and reboot the device. This is achieved by sending a crafted POST...

EUVD-2026-68649

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...

EUVD-2026-68750

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

CVE-2026-51684

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

CVE-2026-51689

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-2026-51688

CVE-2026-51688 affects the TOTOLINK T6 router running firmware 4.1.5cu.748_B20211015 . The root cause is an incorrect access control in the setWiFiSignalCfg function, which is exposed via the endpoint /cgi-bin/cstecgi.cgi. An unauthenticated attacker on the network can send a crafted POST request...

CVE-2026-51672

CVE-2026-51672 is an incorrect access control flaw in the getRoamingCfg function of the TOTOLINK T6 router (firmware 4.1.5cu.748_B20211015 ). An unauthenticated remote attacker can send a crafted POST request to /cgi-bin/cstecgi.cgi to obtain the roaming enablement flag, resulting in information ...

CVE-2026-51726

CVE-2026-51726 is an incorrect access control vulnerability in the delParentalRules function of TOTOLINK T6 firmware 4.1.5cu.748_B20211015 . Unauthenticated remote attackers can send a crafted POST request to /cgi-bin/cstecgi.cgi to remove parental-control rules. The CVSS 3.1 score is 9.1 (CRITIC...

CVE-2026-51696

CVE-2026-51696 affects the TOTOLINK T6 router (firmware 4.1.5cu.748_B20211015 ), where an incorrect access control flaw in the setPortForwardRules function allows an unauthenticated attacker to expose internal services by sending a crafted POST request to /cgi-bin/cstecgi.cgi. The vulnerability i...

CVE-2026-51729

CVE-2026-51729 affects the TOTOLINK T6 router (firmware 4.1.5cu.748_B20211015 ). The root cause is an incorrect access control in the delDevice function, reachable via a crafted POST request to /cgi-bin/cstecgi.cgi , which allows an unauthenticated attacker to request deletion of a managed slave ...

EUVD-2026-68586

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-2026-68585

Incorrect access control in the setWanCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to alter upstream provisioning and connectivity via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

EUVD-2026-68592

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

CVE-2026-51670

TOTOLINK T6 router (firmware 4.1.5cu.748_B20211015 ) contains an incorrect access control flaw in the getSlaveUpdate function. An unauthenticated remote attacker can send a crafted POST request to /cgi-bin/cstecgi.cgi to query slave upgrade status and affect upgrade bookkeeping. CISA SSVC rates t...

CVE-2026-51706

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

CVE-2026-51736

TOTOLINK T6 firmware version 4.1.5cu.748_B20211015 contains an incorrect access control flaw in the clearSyslog function, reachable via a crafted POST request to /cgi-bin/cstecgi.cgi. Because no authentication is required, a network-based attacker can erase system logs , destroying evidence of pr...

CVE-2026-51690

An incorrect access control vulnerability in the setWanCfg function of TOTOLINK T6 (firmware 4.1.5cu.748_B20211015) allows an unauthenticated remote attacker to alter upstream provisioning and connectivity by sending a crafted POST request to /cgi-bin/cstecgi.cgi. The CVSS 3.1 score is 9.1 (CRITI...

CVE-2026-51673

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