CVE-2026-75012

A security vulnerability has been detected in TOTOLINK EX1200L 9.3.5u.6146B20201023. Affected by this issue is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Password Configuration Handler. The manipulation leads to null pointer dereference. The attack can be...

CVE-2026-75012 TOTOLINK EX1200L Password Configuration cstecgi.cgi setPasswordCfg null pointer dereference

A security vulnerability has been detected in TOTOLINK EX1200L 9.3.5u.6146B20201023. Affected by this issue is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Password Configuration Handler. The manipulation leads to null pointer dereference. The attack can be...

EUVD-2026-60360

A security vulnerability has been detected in TOTOLINK EX1200L 9.3.5u.6146B20201023. Affected by this issue is the function setPasswordCfg of the file /cgi-bin/cstecgi.cgi of the component Password Configuration Handler. The manipulation leads to null pointer dereference. The attack can be...

CVE-2026-75012

The TOTOLINK EX1200L router (firmware 9.3.5u.6146_B20201023) is vulnerable to a null pointer dereference in the setPasswordCfg function of /cgi-bin/cstecgi.cgi, reachable remotely with low privileges, causing denial of service. A proof-of-concept exploit is publicly disclosed at the linked Gist. ...

VulnCheck KEV: CVE-2025-52907

Improper Input Validation vulnerability in TOTOLINK X6000R allows Command Injection, File Manipulation.This issue affects X6000R: through V9.4.0cu.1360B20241207...

CVE-2026-19847

A security flaw has been discovered in TOTOLINK A800R 4.1.2cu.5137B20200730. Affected is the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component wps.so. The manipulation of the argument pin results in stack-based buffer overflow. The attack can be launched remotely. The...

CVE-2026-19846

A vulnerability was identified in TOTOLINK A800R 4.1.2cu.5137B20200730. This impacts the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. The manipulation of the argument url leads to stack-based buffer overflow. The attack can be initiated remotely. The...

CVE-2026-19847

A security flaw has been discovered in TOTOLINK A800R 4.1.2cu.5137B20200730. Affected is the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component wps.so. The manipulation of the argument pin results in stack-based buffer overflow. The attack can be launched remotely. The...

CVE-2026-19847 TOTOLINK A800R wps.so cstecgi.cgi setWiFiWpsConfig stack-based overflow

A security flaw has been discovered in TOTOLINK A800R 4.1.2cu.5137B20200730. Affected is the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component wps.so. The manipulation of the argument pin results in stack-based buffer overflow. The attack can be launched remotely. The...

EUVD-2026-58739

A security flaw has been discovered in TOTOLINK A800R 4.1.2cu.5137B20200730. Affected is the function setWiFiWpsConfig of the file /cgi-bin/cstecgi.cgi of the component wps.so. The manipulation of the argument pin results in stack-based buffer overflow. The attack can be launched remotely. The...

CVE-2026-19847

TOTOLINK A800R (firmware 4.1.2cu.5137_B20200730) contains a vulnerability in wps.so: the setWiFiWpsConfig function in /cgi-bin/cstecgi.cgi accepts a pin argument whose manipulation causes a stack-based buffer overflow. The issue can be triggered remotely, and public exploits have been released. T...

CVE-2026-19844

A vulnerability was found in TOTOLINK A800R 4.1.2cu.5137B20200730. The impacted element is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component ipv6.so. Performing a manipulation of the argument radvdinterfacename results in stack-based buffer overflow. It is possible to...

CVE-2026-19845

A vulnerability was determined in TOTOLINK A800R 4.1.2cu.5137B20200730. This affects the function setStaticDhcpConfig of the file /cgi-bin/cstecgi.cgi of the component lan.so. Executing a manipulation of the argument Comment can lead to stack-based buffer overflow. It is possible to launch the...

CVE-2026-19846 TOTOLINK A800R firewall.so cstecgi.cgi setUrlFilterRules stack-based overflow

A vulnerability was identified in TOTOLINK A800R 4.1.2cu.5137B20200730. This impacts the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. The manipulation of the argument url leads to stack-based buffer overflow. The attack can be initiated remotely. The...

EUVD-2026-58735

A vulnerability was identified in TOTOLINK A800R 4.1.2cu.5137B20200730. This impacts the function setUrlFilterRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. The manipulation of the argument url leads to stack-based buffer overflow. The attack can be initiated remotely. The...

CVE-2026-19846

TOTOLINK A800R vulnerability (CVE-2026-19846) affects the firewall.so component via setUrlFilterRules in /cgi-bin/cstecgi.cgi. The argument url can be manipulated to cause a stack-based buffer overflow, with remote exploitation possible. Public exploit appears to be available. Affected version: T...

CVE-2026-19845 TOTOLINK A800R lan.so cstecgi.cgi setStaticDhcpConfig stack-based overflow

A vulnerability was determined in TOTOLINK A800R 4.1.2cu.5137B20200730. This affects the function setStaticDhcpConfig of the file /cgi-bin/cstecgi.cgi of the component lan.so. Executing a manipulation of the argument Comment can lead to stack-based buffer overflow. It is possible to launch the...

CVE-2026-19845

CVE-2026-19845 affects TOTOLINK A800R firmware 4.1.2cu.5137_B20200730, via the LAN service component lan.so (file /cgi-bin/cstecgi.cgi). The vulnerability is in function setStaticDhcpConfig; manipulation of the Comment argument can cause a stack-based buffer overflow, and remote exploitation is p...

EUVD-2026-58730

A vulnerability was determined in TOTOLINK A800R 4.1.2cu.5137B20200730. This affects the function setStaticDhcpConfig of the file /cgi-bin/cstecgi.cgi of the component lan.so. Executing a manipulation of the argument Comment can lead to stack-based buffer overflow. It is possible to launch the...

CVE-2026-19844

A vulnerability was found in TOTOLINK A800R 4.1.2cu.5137B20200730. The impacted element is the function setRadvdCfg of the file /cgi-bin/cstecgi.cgi of the component ipv6.so. Performing a manipulation of the argument radvdinterfacename results in stack-based buffer overflow. It is possible to...