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-2026-19811

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...

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-2026-72071

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...

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...

CVE-2026-15701

A weakness has been identified in Totolink NR1800X 9.1.0u.6279B20210910. Affected by this issue is the function FormLogout of the file /formLogout.htm of the component lighttpd. This manipulation of the argument Host causes stack-based buffer overflow. The attack is possible to be carried out...

CVE-2026-15701 Totolink NR1800X lighttpd formLogout.htm Form_Logout stack-based overflow

A weakness has been identified in Totolink NR1800X 9.1.0u.6279B20210910. Affected by this issue is the function FormLogout of the file /formLogout.htm of the component lighttpd. This manipulation of the argument Host causes stack-based buffer overflow. The attack is possible to be carried out...

CVE-2026-15701

CVE-2026-15701 affects Totolink NR1800X (firmware 9.1.0u.6279_B20210910) where the vulnerable component is lighttpd’s Form_Logout function in /formLogout.htm. The issue arises from manipulating the Host argument, triggering a stack-based buffer overflow. The vulnerability is exploitable remotely,...

The vulnerability of the setStorageCfg function in the /cgi-bin/cstecgi.cgi file of the CGI Handler component of the TOTOLINK A8000RU router’s software, allowing a malicious actor to execute arbitrary commands.

The vulnerability of the setStorageCfg function in the /cgi-bin/cstecgi.cgi file of the CGI Handler component of the TOTOLINK A8000RU router’s software is related to the lack of measures taken to neutralize special elements. Exploiting this vulnerability allows a remote attacker to execute...

EUVD-2026-42725

A security vulnerability has been detected in TOTOLINK A3000RU, A3100R, A950RG, AC1200T10, CP450, CS185RT10 and EX200 up to 20260906. Affected by this issue is some unknown functionality of the file /etc/boa/boa.conf of the component Web Interface. The manipulation leads to least privilege...

CVE-2026-15271

A security vulnerability has been detected in TOTOLINK A3000RU, A3100R, A950RG, AC1200T10, CP450, CS185RT10 and EX200 up to 20260906. Affected by this issue is some unknown functionality of the file /etc/boa/boa.conf of the component Web Interface. The manipulation leads to least privilege...

CVE-2026-15271 TOTOLINK EX200 Web boa.conf least privilege violation

A security vulnerability has been detected in TOTOLINK A3000RU, A3100R, A950RG, AC1200T10, CP450, CS185RT10 and EX200 up to 20260906. Affected by this issue is some unknown functionality of the file /etc/boa/boa.conf of the component Web Interface. The manipulation leads to least privilege...

CVE-2026-15271

A security vulnerability has been detected in TOTOLINK A3000RU, A3100R, A950RG, AC1200T10, CP450, CS185RT10 and EX200 up to 20260906. Affected by this issue is some unknown functionality of the file /etc/boa/boa.conf of the component Web Interface. The manipulation leads to least privilege...

CVE-2026-15271

CVE-2026-15271 affects TOTOLINK models A3000RU, A3100R, A950RG, AC1200T10, CP450, CS185R_T10 and EX200. The issue concerns an unspecified functionality in the Web Interface component, specifically the file /etc/boa/boa.conf, where manipulation can lead to a least privilege violation . The attack ...

CVE-2026-15204

A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415B20250515/9.1.0cu.2350B20230313. Affected by this vulnerability is the function exportOvpn of the file /web/cgi-bin/cstecgi.cgi of the component OpenVPN Export. The manipulation results in path traversal. The attack may be launched...

CVE-2026-15204

TOTOLINK X5000R is affected by CVE-2026-15204. The OpenVPN Export feature (file /web/cgi-bin/cstecgi.cgi, function exportOvpn) is vulnerable to path traversal. The vulnerability can be exploited remotely. Details in connected records identify the affected product/version (9.1.0cu.2415_B20250515/9...

CVE-2026-15204 TOTOLINK X5000R OpenVPN Export cstecgi.cgi exportOvpn path traversal

A vulnerability was detected in TOTOLINK X5000R 9.1.0cu.2415B20250515/9.1.0cu.2350B20230313. Affected by this vulnerability is the function exportOvpn of the file /web/cgi-bin/cstecgi.cgi of the component OpenVPN Export. The manipulation results in path traversal. The attack may be launched...