CVE-2026-51631: Improper Access Control

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

CVE-2026-51629: Improper Access Control

Incorrect access control in the getStaticDhcpRules function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain static DHCP reservation rules via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51628: Improper Access Control

Incorrect access control in the getGenerateWiFiWpsPin function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to generate and retrieve a new WPS PIN via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51626: Improper Access Control

Incorrect access control in the getWiFiWpsCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain WPS configuration, including the current PIN, via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51622: Improper Access Control

Incorrect access control in the getWanCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain WAN configuration data via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51617: Improper Access Control

Incorrect access control in the getSysStatusCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain sensitive information such as operation mode, firmware version, serial number, WAN/LAN IP addresses, WiFi SSID, encryption keys, and connected client statistics...

CVE-2026-51614: Improper Access Control

Incorrect access control in the getAccessDeviceCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain access-device policy and client state information via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51613: Improper Access Control

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

CVE-2026-51633

Incorrect access control in the getWiFiEasyGuestCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain simplified guest Wi-Fi configuration, including guest credentials, via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

PT-2026-83338

Name of the Vulnerable Software and Affected Versions TOTOLINK T6 version 4.1.5cu.748 B20211015 Description Incorrect access control in the getPortForwardRules function allows unauthenticated attackers to obtain port-forwarding rules. This is achieved by sending a crafted POST request to the...

CVE-2026-51618: Improper Access Control

Incorrect access control in the getWizardCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain setup wizard and onboarding configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51661: Improper Access Control

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

CVE-2026-51646: Improper Access Control

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

CVE-2026-51655: Improper Access Control

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

CVE-2026-51654: Improper Access Control

Incorrect access control in the getScheduleCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain schedule or scheduled-reboot configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51620: Improper Access Control

Incorrect access control in the getNetInfoCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain network topology and interface configuration information via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51642: Improper Access Control

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

CVE-2026-51621: Improper Access Control

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

CVE-2026-51625: Improper Access Control

Incorrect access control in the getWiFiEasyCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain sensitive information such as SSIDs and Wi-Fi keys, via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51610: Improper Access Control

Incorrect access control in the RebootSystem function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to arbitrarily force an immediate reboot via sending a crafted POST request to /cgi-bin/cstecgi.cgi...