CVE-2026-51681

The TOTOLINK T6 wireless dual-band Mesh router (version 4.1.5cu.748_B20211015 ) is susceptible to an incorrect access control vulnerability within the setRemoteCfg function. An unauthenticated attacker can exploit this by sending a crafted POST request to the /cgi-bin/cstecgi.cgi endpoint. Succes...

CVE-2026-51674: Improper Access Control

Incorrect access control in the setScheduleCfg function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to configure forced reboot tasks via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51721: Improper Access Control

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

CVE-2026-51730: Improper Access Control

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

CVE-2026-51722: Improper Access Control

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...

CVE-2026-51716: Improper Access Control

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

CVE-2026-51723: Improper Access Control

Incorrect access control in the UploadCustomModule function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to install a custom CGI module via sending a crafted POST request to /cgi-bin/cstecgi.cgi...

CVE-2026-51725

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

CVE-2026-51725: Improper Access Control

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

EUVD-2026-68749

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

CVE-2026-51718

The TOTOLINK T6 wireless dual-band Mesh router (version 4.1.5cu.748_B20211015 ) is vulnerable to an improper access control flaw in the delStaticDhcpRules function. An unauthenticated attacker can exploit this by sending a specially crafted POST request to /cgi-bin/cstecgi.cgi, which allows them ...

CVE-2026-51679: Improper Access Control

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-2026-82597: Improper Neutralization of Special Elements used in a Command

A vulnerability was identified in TOTOLINK NR1800X 9.1.0u.6681B20230703. This affects the function setUssd of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument ussd leads to command injection. The attack can be initiated remotely. The exploit is publicly available and might be used...

CVE-2026-51691

The TOTOLINK T6 wireless dual-band Mesh router, specifically version 4.1.5cu.748_B20211015 , is affected by an incorrect access control vulnerability in the setUploadSetting function. This flaw allows unauthenticated attackers to manipulate the upload or flash workflow by sending a crafted POST r...

CVE-2026-82555

A vulnerability has been found in TOTOLINK N600R 4.3.0cu.7866B20220506. This vulnerability affects the function loginAuth of the file /webcste/cgi-bin/cstecgi.cgi of the component Authentication Handler. Such manipulation leads to insufficiently random values. It is possible to launch the attack...

CVE-2026-82555 TOTOLINK N600R Authentication cstecgi.cgi loginAuth random values

A vulnerability has been found in TOTOLINK N600R 4.3.0cu.7866B20220506. This vulnerability affects the function loginAuth of the file /webcste/cgi-bin/cstecgi.cgi of the component Authentication Handler. Such manipulation leads to insufficiently random values. It is possible to launch the attack...

EUVD-2026-68277

A vulnerability has been found in TOTOLINK N600R 4.3.0cu.7866B20220506. This vulnerability affects the function loginAuth of the file /webcste/cgi-bin/cstecgi.cgi of the component Authentication Handler. Such manipulation leads to insufficiently random values. It is possible to launch the attack...

CVE-2026-82555

CVE-2026-82555 affects the TOTOLINK N600R router (firmware 4.3.0cu.7866_B20220506 ). The vulnerability resides in the loginAuth function of /web_cste/cgi-bin/cstecgi.cgi (Authentication Handler component) and is caused by insufficiently random values , leading to predictable authentication tokens...

CVE-2026-82555 TOTOLINK N600R Authentication cstecgi.cgi loginAuth random values

A vulnerability has been found in TOTOLINK N600R 4.3.0cu.7866B20220506. This vulnerability affects the function loginAuth of the file /webcste/cgi-bin/cstecgi.cgi of the component Authentication Handler. Such manipulation leads to insufficiently random values. It is possible to launch the attack...

CVE-2026-82539

A vulnerability was determined in TOTOLINK A720R 4.1.5cu.630B20250509. This impacts the function setMacFilterRules of the file cstecgi.cgi of the component MAC Filtering. Executing a manipulation of the argument desc can lead to memory corruption. The attack may be launched remotely. The exploit...