Zyxel - Authentication Bypass

An authentication bypass vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.20 through 4.70, USG FLEX series firmware versions 4.50 through 5.20, ATP series firmware versions 4.32 through 5.20, VPN series firmware versions 4.30 through 5.20, and NSG series firmware...

EUVD-2026-37030

A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90ABTQ.1C0 could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request...

PT-2026-49603

Name of the Vulnerable Software and Affected Versions Zyxel GS1900-48HPv2 versions prior to 2.90ABTQ.1C0 Description A stack-based buffer overflow exists in the CGI program. This flaw allows an unauthenticated attacker on the local area network LAN to potentially execute operating system commands...

CVE-2026-5975

A vulnerability was identified in Totolink A7100RU 7.4cu.2313b20191024. The impacted element is the function setDmzCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Such manipulation of the argument wanIdx leads to os command injection. The attack may be performed from remote. Th...

CVE-2026-9543

CVE-2026-9543 - Totolink N300RH is affected through the Web Management Interface file /cgi-bin/cstecgi.cgi, function setPasswordCfg. Manipulating the argument admpass enables an OS command injection, allowing remote execution. Public exploit details exist, with HIGH impact on confidentiality, int...

CVE-2026-9534

A flaw has been found in Totolink CA750-PoE 6.2c.510. This affects the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Executing a manipulation of the argument PIN can lead to os command injection. It is possible to launch the attack remotely. The...

PT-2026-43194

A flaw has been found in Totolink CA750-PoE 6.2c.510. This affects the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component Setting Handler. Executing a manipulation of the argument PIN can lead to os command injection. It is possible to launch the attack remotely. The...

EUVD-2026-31708

A vulnerability was determined in Totolink A8000RU 7.1cu.643b20200521. This affects the function setIpQosRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. This manipulation of the argument Comment causes os command injection. Remote exploitation of the attack is...

PT-2026-39933

Name of the Vulnerable Software and Affected Versions Zyxel WRE6505 v2 version V1.00ABDV.3C0 Description A command injection flaw exists in the CGI program. An adjacent attacker on the local area network LAN can execute operating system commands on the device by sending a specially crafted HTTP...

CVE-2026-8229

A vulnerability was detected in Wavlink NU516U1 240425. The affected element is the function WifiBasic of the file /cgi-bin/wireless.cgi. Performing a manipulation of the argument AuthMethod/EncrypType results in os command injection. Remote exploitation of the attack is possible. The exploit is...

EUVD-2026-28920

A security flaw has been discovered in Wavlink NU516U1 M16U1V240425. This vulnerability affects the function wzdap of the file /cgi-bin/adm.cgi. Performing a manipulation of the argument EncrypType/wlPass is directly passed by the attacker/so we can control the EncrypType/wlPass results in os...

CVE-2026-8188

A vulnerability has been found in Wavlink NU516U1 M16U1V240425. Affected is the function changewifipassword of the file /cgi-bin/adm.cgi. The manipulation of the argument wlchannel/wlPass/EncrypType leads to os command injection. It is possible to initiate the attack remotely. The exploit has bee...

TOTOLINK WA300 注入漏洞

TOTOLINK WA300 is a wireless access point produced by TOTOLINK, a Chinese company. The version 5.2cu.7112B20190227 of Totolink WA300 has a vulnerability caused by command injection. This vulnerability arises from the operation of the setWebWlanIdx function in the POST Request Handler component’s...

CVE-2026-7633

Totolink N300RH 6.1c.1353_B20190305 is affected by CVE-2026-7633 in the setUploadSetting function of /cgi-bin/cstecgi.cgi. Manipulating the FileName argument leads to file inclusion and may be exploitable remotely. Public exploit is reported; patch/version details are not provided in the sources.

TOTOLINK A3300R stunEnable Parameter Command Injection Vulnerability

The TOTOLINK A3300R is a wireless router from China's Gion Electronics TOTOLINK. A command injection vulnerability exists in the TOTOLINK A3300R stunEnable parameter, which stems from the cstecgi.cgi file failing to properly handle the stunEnable parameter and can be exploited by an attacker to...

EUVD-2026-25245

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557B20221024 allowing attackers to execute arbitrary commands via the stunMinAlive parameter to /cgi-bin/cstecgi.cgi...

EUVD-2026-25243

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557B20221024 allowing attackers to execute arbitrary commands via the pppoeServiceName parameter to /cgi-bin/cstecgi.cgi...

CVE-2026-31172

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557B20221024 allowing attackers to execute arbitrary commands via the user parameter to /cgi-bin/cstecgi.cgi...

CVE-2026-31177

An issue was discovered in ToToLink A3300R firmware v17.0.0cu.557B20221024 allowing attackers to execute arbitrary commands via the stunMinAlive parameter to /cgi-bin/cstecgi.cgi...

CVE-2026-6058

UNSUPPORTED WHEN ASSIGNED An improper encoding or escaping vulnerability in the CGI program of Zyxel WRE6505 v2 firmware version V1.00ABDV.3C0 could allow an adjacent attacker on the WLAN to cause a denial-of-service DoS condition in the web management interface by convincing an authenticated...