CVE-2026-51621

The TOTOLINK T6 running firmware version 4.1.5cu.748_B20211015 is vulnerable to an incorrect access control issue within the getInitCfg function. This flaw allows unauthenticated attackers to retrieve sensitive device configuration information by submitting a crafted POST request to the /cgi-bin/...

CVE-2026-51626

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...

EUVD-2026-67915

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...

CVE-2026-51636

A vulnerability exists in the TOTOLINK T6 running firmware version 4.1.5cu.748_B20211015 due to incorrect access control in the getWiFiAclRules function. This flaw allows unauthenticated attackers to obtain Wi-Fi ACL rules by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint. Th...

PT-2026-83203

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

CVE-2026-51650: Improper Access Control

Incorrect access control in the getRemoteCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain remote-management enablement and port information via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51659

The TOTOLINK T6 router, running firmware version 4.1.5cu.748_B20211015 , is vulnerable to an incorrect access control flaw within the getUrlFilterRules function. This vulnerability allows unauthenticated attackers to obtain sensitive DMZ configuration information by sending a crafted POST request...

CVE-2026-51631

The TOTOLINK T6 (firmware version 4.1.5cu.748_B20211015 ) is affected by an incorrect access control vulnerability within the getStaticDhcpRules function. An unauthenticated attacker can exploit this by sending a crafted POST request to /cgi-bin/cstecgi.cgi to obtain WPS runtime status . No speci...

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-2026-51653: Improper Access Control

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

CVE-2026-51663: Improper Access Control

Incorrect access control in the getWiFiApcliScan function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to trigger wireless scans and retrieve AP-client scan results 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-2026-51629: 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-2026-51630: Improper Access Control

Incorrect access control in the getDdnsCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to obtain DDNS configuration, including domain, username, and password, 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-2026-51613: 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-2026-51614: 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...

PT-2026-83224

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

PT-2026-83184

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

PT-2026-83221

Incorrect access control in the getVpnPassCfg function of TOTOLINK T6 4.1.5cu.748 B20211015 allows unauthenticated attackers to obtain VPN pass-through and WAN ping filter settings via sending a crafted POST request to /cgi-bin/cstecgi.cgi...