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-2026-19845 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...

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...

EUVD-2026-58726

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-2026-19815

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...

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...

EUVD-2026-58613

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...

CVE-2026-19815 TOTOLINK A800R firewall.so cstecgi.cgi setParentalRules stack-based 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...

CVE-2026-19815

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...

CVE-2026-19815

TOTOLINK A800R (firmware 4.1.2cu.5137_B20200730) is affected by a stack-based buffer overflow in the firewall.so component, via the setParentalRules function in /cgi-bin/cstecgi.cgi. Manipulating the urlKeyword argument can be exploited remotely; exploits have been published. CVSS metrics indicat...

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...

EUVD-2026-58612

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 device (firmware 4.1.2cu.5137_B20200730) is affected by a stack-based overflow in the firewall.so component’s setMacQos function within /cgi-bin/cstecgi.cgi. The vulnerability arises from manipulating the macAddress argument, enabling a remote attacker to trigger the overflow. Remo...

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...

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...

CVE-2026-19813

CVE-2026-19813 affects TOTOLINK A800R (firmware 4.1.2cu.5137_B20200730) in the firewall.so component, specifically the setMacFilterRules function in /cgi-bin/cstecgi.cgi. The issue is a stack-based buffer overflow caused by manipulation of the Comment argument, allowing a remote attacker to explo...

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...