CVE-2026-19813

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-2026-19812

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-2026-19814

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-2026-19814 TOTOLINK A800R firewall.so cstecgi.cgi setMacQos stack-based 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-2026-19814 TOTOLINK A800R firewall.so cstecgi.cgi setMacQos stack-based 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-2026-19813

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-2026-19813 TOTOLINK A800R firewall.so cstecgi.cgi setMacFilterRules stack-based 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...

EUVD-2026-58608

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...

EUVD-2026-58606

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-2026-19812

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-2026-19812

CVE-2026-19812 affects TOTOLINK A800R (version 4.1.2cu.5137_B20200730) in the file path product.so, function UploadCustomModule. The issue is a stack-based buffer overflow caused by manipulation of the argument File in /cgi-bin/cstecgi.cgi. This vulnerability enables remote exploitation (network ...

CVE-2026-19812 TOTOLINK A800R product.so cstecgi.cgi UploadCustomModule stack-based 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-2026-19812 TOTOLINK A800R product.so cstecgi.cgi UploadCustomModule stack-based 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

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...

CVE-2026-19811

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...

CVE-2026-19811 TOTOLINK A800R firewall.so cstecgi.cgi setIpQosRules stack-based 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...

EUVD-2026-58599

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...

CVE-2026-19811

TOTOLINK A800R devices running 4.1.2cu.5137_B20200730 are affected by a stack-based buffer overflow in the firewall.so module, specifically the function setIpQosRules in /cgi-bin/cstecgi.cgi. The vulnerability is triggered by manipulating the Comment argument, allowing a remote attacker to exploi...

CVE-2026-19811 TOTOLINK A800R firewall.so cstecgi.cgi setIpQosRules stack-based 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...

CVE-2026-19792

CVE-2026-19792 affects Tenda G0 devices; the httpd web management interface’s setPortMapping function in /goform/module is vulnerable to a buffer overflow via manipulated portMappingServer/porMappingtInternal/portMappingExternal. This enables remote exploitation with high impact (confidentiality,...