CVE-2026-82539

CVE-2026-82539 Information Vendor: TOTOLINK Vendor's website: TOTOLINK Model: A720R Firmware version: V4.1.5cu.630B20250509 Firmware download address: TOTOLINK Severity CVSS v4.0 Base Score: 9.4 Critical Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P Vulnerability...

TOTOLINK T6 Access Control Vulnerability (CNVD-2026-38581)

TOTOLINK T6 is a wireless dual-band Mesh router launched by TOTOLINK. The TOTOLINK T6 has a vulnerability in access control. This vulnerability stems from an incorrect access control in the UploadFirmwareFile function. Attackers can exploit this vulnerability by sending a specially crafted POST...

TOTOLINK T6 Access Control Vulnerability (CNVD-2026-38580)

TOTOLINK T6 is a wireless dual-band Mesh router launched by TOTOLINK. There is an access control vulnerability in TOTOLINK T6. This vulnerability stems from incorrect access control in the UploadCustomModule function. Attackers can exploit this vulnerability by sending specially crafted POST...

TOTOLINK T6 Access Control Vulnerability (CNVD-2026-38561)

TOTOLINK T6 is a wireless dual-band Mesh router launched by TOTOLINK. The TOTOLINK T6 has a vulnerability related to access control. This vulnerability stems from improper access control in the setUPnPCfg function. Attackers can exploit this vulnerability by sending a specially crafted POST reque...

TOTOLINK T6 Access Control Vulnerability (CNVD-2026-38407)

TOTOLINK T6 is a wireless dual-band Mesh router launched by TOTOLINK. The TOTOLINK T6 has a vulnerability related to access control. This vulnerability stems from improper access control in the delPortForwardRules function. Attackers can exploit this vulnerability by sending a specially crafted...

TOTOLINK T6 Access Control Vulnerability (CNVD-2026-38412)

TOTOLINK T6 is a wireless dual-band Mesh router launched by TOTOLINK. The TOTOLINK T6 has a vulnerability related to access control. This vulnerability stems from improper access control in the delWiFiAclRules function. Attackers can exploit this vulnerability by sending a specially crafted POST...

TOTOLINK T6 Access Control Vulnerability (CNVD-2026-38409)

TOTOLINK T6 is a wireless dual-band Mesh router launched by TOTOLINK. The TOTOLINK T6 has a vulnerability related to access control. This vulnerability stems from improper access control in the delStaticDhcpRules function. Attackers can exploit this vulnerability by sending a specially crafted PO...

TOTOLINK T6 Access Control Vulnerability (CNVD-2026-38562)

TOTOLINK T6 is a wireless dual-band Mesh router launched by TOTOLINK. The TOTOLINK T6 has a vulnerability related to access control. This vulnerability stems from improper access control in the setUrlFilterRules function. Attackers can exploit this vulnerability by sending a specially crafted POS...

TOTOLINK T6 Access Control Vulnerability (CNVD-2026-38563)

TOTOLINK T6 is a wireless dual-band Mesh router launched by TOTOLINK. The TOTOLINK T6 has a vulnerability related to access control. This vulnerability stems from improper access control in the setVpnPassCfg function. Attackers can exploit this vulnerability by sending a specially crafted POST...

CVE-2026-91853 TOTOLINK X5000R Export Ovpn cstecgi.cgi exportOvpn os command injection

A vulnerability has been found in TOTOLINK X5000R 9.1.0cu.2089B20211224. The impacted element is the function exportOvpn of the file /cgi-bin/cstecgi.cgi?action=exportOvpn&type=user of the component Export Ovpn Handler. The manipulation of the argument filetype leads to os command injection. The...

CVE-2026-85031

A vulnerability was found in TOTOLINK CP450 4.1.0. The impacted element is an unknown function of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument topicurl results in buffer overflow. Remote exploitation of the attack is possible...

CVE-2026-85031 TOTOLINK CP450 cstecgi.cgi buffer overflow

A vulnerability was found in TOTOLINK CP450 4.1.0. The impacted element is an unknown function of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument topicurl results in buffer overflow. Remote exploitation of the attack is possible...

CVE-2026-85031

TOTOLINK CP450 firmware version 4.1.0 contains a buffer overflow in an unknown function of /cgi-bin/cstecgi.cgi, triggered by manipulating the topicurl argument. Remote exploitation is possible. The vulnerability is rated CVSS 3.1: 9.9 (Critical) with a scope change and high impact to confidentia...

EUVD-2026-70313

A vulnerability was found in TOTOLINK CP450 4.1.0. The impacted element is an unknown function of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument topicurl results in buffer overflow. Remote exploitation of the attack is possible...

CVE-2026-85031 TOTOLINK CP450 cstecgi.cgi buffer overflow

A vulnerability was found in TOTOLINK CP450 4.1.0. The impacted element is an unknown function of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument topicurl results in buffer overflow. Remote exploitation of the attack is possible...

CVE-2026-85031: Buffer Copy without Checking Size of Input

A vulnerability was found in TOTOLINK CP450 4.1.0. The impacted element is an unknown function of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument topicurl results in buffer overflow. Remote exploitation of the attack is possible...

PT-2026-84913

A vulnerability was found in TOTOLINK CP450 4.1.0. The impacted element is an unknown function of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument topicurl results in buffer overflow. Remote exploitation of the attack is possible...

The vulnerability of the cstecgi.cgi microprogramming system of the TOTOLINK WA1200-PoE router allows a hacker to cause a service failure.

The vulnerability of the cstecgi.cgi microprogramming system of the TOTOLINK WA1200-PoE router is related to errors in pointer assignment. Exploiting this vulnerability can allow a malicious actor to cause a service failure by sending a specially crafted HTTP request to the router’s management...

The vulnerability of the setUploadUserData() function in TOTOLINK A7000R router microprogramming software allows a hacker to execute arbitrary code.

The vulnerability of the setUploadUserData function in the /cgi-bin/cstecgi.cgi file of the TOTOLINK A7000R router’s microprogramming system exists due to the lack of measures to neutralize special elements. Exploiting this vulnerability can allow a remote attacker to execute arbitrary code...

CVE-2026-51742

Incorrect access control in the discoverWan function of TOTOLINK T6 4.1.5cu.748B20211015 allows unauthenticated attackers to trigger WAN discovery logic via sending a crafted POST request to /cgi-bin/cstecgi.cgi...