CVE-2026-19847: Stack-based Buffer 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...

CVE-2026-19846: Stack-based Buffer 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...

CVE-2026-19845: Stack-based Buffer 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-2026-19844: Stack-based Buffer Overflow

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-2026-19813: Stack-based Buffer Overflow

A security vulnerability has been detected in TOTOLINK A800R 4.1.2cu.5137B20200730. This impacts the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. Such manipulation of the argument Comment leads to stack-based buffer overflow. The attack may be performe...

CVE-2026-19814: Stack-based Buffer Overflow

A vulnerability was detected in TOTOLINK A800R 4.1.2cu.5137B20200730. Affected is the function setMacQos of the file /cgi-bin/cstecgi.cgi of the component firewall.so. Performing a manipulation of the argument macAddress results in stack-based buffer overflow. It is possible to initiate the attac...

CVE-2026-19812: Stack-based Buffer Overflow

A weakness has been identified in TOTOLINK A800R 4.1.2cu.5137B20200730. This affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi of the component product.so. This manipulation of the argument File causes stack-based buffer overflow. The attack is possible to be carried out...

CVE-2026-19811: Stack-based Buffer Overflow

A security flaw has been discovered in TOTOLINK A800R 4.1.2cu.5137B20200730. The impacted element is the function setIpQosRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. The manipulation of the argument Comment results in stack-based buffer overflow. The attack can be execute...

PT-2026-71970

Name of the Vulnerable Software and Affected Versions TOTOLINK A800R version 4.1.2cu.5137 B20200730 Description A remote attack is possible due to a stack-based buffer overflow in the setIpQosRules function within the /cgi-bin/cstecgi.cgi file of the firewall.so component. This issue occurs when...

PT-2026-71972

A weakness has been identified in TOTOLINK A800R 4.1.2cu.5137 B20200730. This affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi of the component product.so. This manipulation of the argument File causes stack-based buffer overflow. The attack is possible to be carried out...

PT-2026-71973

Name of the Vulnerable Software and Affected Versions TOTOLINK A800R version 4.1.2cu.5137 B20200730 Description A remote stack-based buffer overflow exists within the firewall.so component. The issue occurs in the setMacFilterRules function located in the /cgi-bin/cstecgi.cgi endpoint when the...

PT-2026-71976

A flaw has been found in TOTOLINK A800R 4.1.2cu.5137 B20200730. Affected by this vulnerability is the function setParentalRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. Executing a manipulation of the argument urlKeyword can lead to stack-based buffer overflow. It is possibl...

PT-2026-72071

Name of the Vulnerable Software and Affected Versions TOTOLINK A800R version 4.1.2cu.5137 B20200730 Description A stack-based buffer overflow occurs when manipulating the pin argument within the setWiFiWpsConfig function of the /cgi-bin/cstecgi.cgi endpoint, located in the wps.so component. This...

PT-2026-72063

A vulnerability was identified in TOTOLINK A800R 4.1.2cu.5137 B20200730. 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...

PT-2026-72062

A vulnerability was determined in TOTOLINK A800R 4.1.2cu.5137 B20200730. 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...

PT-2026-72061

Name of the Vulnerable Software and Affected Versions TOTOLINK A800R version 4.1.2cu.5137 B20200730 Description A stack-based buffer overflow exists in the setRadvdCfg function within the /cgi-bin/cstecgi.cgi file of the ipv6.so component. This issue can be triggered remotely by manipulating the...

CVE-2026-19815: Stack-based Buffer Overflow

A flaw has been found in TOTOLINK A800R 4.1.2cu.5137B20200730. Affected by this vulnerability is the function setParentalRules of the file /cgi-bin/cstecgi.cgi of the component firewall.so. Executing a manipulation of the argument urlKeyword can lead to stack-based buffer overflow. It is possible...

totolink-exploit

Totolink N200RS+ / A3002RU RCE Exploit Command injection in c...

totolink-exploit

Totolink N200RS+ / A3002RU RCE Exploit Command injection in c...

VulnCheck KEV: CVE-2026-1623

A weakness has been identified in Totolink A7000R 4.1cu.4154. Impacted is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument FileName causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and...