CVE-2026-41927

WDR201A WiFi Extender HW V2.1, FW LFMZX28040922V1.02 contains a stack-based buffer overflow vulnerability in the firewall.cgi and makeRequest.cgi binaries that allows unauthenticated attackers to overwrite the saved return address by sending a POST request with a Content-Length header exceeding 5...

CVE-2026-41926

WDR201A WiFi Extender HW V2.1, FW LFMZX28040922V1.02 contains an OS command injection vulnerability in the firewall.cgi binary across five request handlers that apply insufficient input validation. Attackers can inject arbitrary shell commands through vulnerable parameters like websURLFilter,...

CVE-2026-41927

The CVE-2026-41927 entry concerns the WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02) with a stack-based buffer overflow in the firewall.cgi and makeRequest.cgi binaries. The vulnerability arises from insufficient length validation in a POST request’s Content-Length (>512 bytes) and an ...

EUVD-2026-27127

WDR201A WiFi Extender HW V2.1, FW LFMZX28040922V1.02 contains a stack-based buffer overflow vulnerability in the firewall.cgi and makeRequest.cgi binaries that allows unauthenticated attackers to overwrite the saved return address by sending a POST request with a Content-Length header exceeding 5...

CVE-2026-41927 WDR201A WiFi Extender Stack-Based Buffer Overflow via firewall.cgi

WDR201A WiFi Extender HW V2.1, FW LFMZX28040922V1.02 contains a stack-based buffer overflow vulnerability in the firewall.cgi and makeRequest.cgi binaries that allows unauthenticated attackers to overwrite the saved return address by sending a POST request with a Content-Length header exceeding 5...

CVE-2026-41927

WDR201A WiFi Extender HW V2.1, FW LFMZX28040922V1.02 contains a stack-based buffer overflow vulnerability in the firewall.cgi and makeRequest.cgi binaries that allows unauthenticated attackers to overwrite the saved return address by sending a POST request with a Content-Length header exceeding 5...

CVE-2026-41926

CVE-2026-41926 affects the WDR201A WiFi Extender (HW V2.1, FW LFMZX28040922V1.02). The firewall.cgi binary exposes an OS command injection across five request handlers due to insufficient input validation. Attacks can inject arbitrary shell commands through parameters including websURLFilter, web...

PT-2026-36918

Name of the Vulnerable Software and Affected Versions WDR201A WiFi Extender HW V2.1, FW LFMZX28040922V1.02 Description A stack-based buffer overflow exists in the 'firewall.cgi' and 'makeRequest.cgi' binaries. Unauthenticated attackers can overwrite the saved return address by sending a POST...

PT-2026-29753

Name of the Vulnerable Software and Affected Versions Endian Firewall versions 3.3.25 and prior Description Authenticated users can execute arbitrary OS commands through the DATE parameter in the '/cgi-bin/logs firewall.cgi' endpoint. This is due to an incomplete regular expression validation whe...

CVE-2026-5004

CVE-2026-5004 affects Wavlink WL-WN579X3-C (firmware 231124). The issue is a stack-based overflow in the UPNP Handler’s function sub_4019FC (/cgi-bin/firewall.cgi) triggered by manipulating the UpnpEnabled argument. Exploitation can be remote, and public PoC details exist. Vendor has not provided...

CVE-2026-4543

A vulnerability was found in Wavlink WL-WN578W2 221110. The impacted element is an unknown function of the file /cgi-bin/firewall.cgi of the component POST Request Handler. Performing a manipulation of the argument dmzflag/delflag results in command injection. It is possible to initiate the attac...

CVE-2026-4543

CVE-2026-4543 affects Wavlink WL-WN578W2 (model 221110). The vulnerability resides in the POST Request Handler within /cgi-bin/firewall.cgi. The root cause is a manipulation of the arguments dmz_flag and del_flag, enabling command injection. It can be triggered remotely, and exploitation details ...

CVE-2026-4543

A vulnerability was found in Wavlink WL-WN578W2 221110. The impacted element is an unknown function of the file /cgi-bin/firewall.cgi of the component POST Request Handler. Performing a manipulation of the argument dmzflag/delflag results in command injection. It is possible to initiate the attac...

PT-2026-26974

A vulnerability was found in Wavlink WL-WN578W2 221110. The impacted element is an unknown function of the file /cgi-bin/firewall.cgi of the component POST Request Handler. Performing a manipulation of the argument dmz flag/del flag results in command injection. It is possible to initiate the...

CVE-2026-3704

A vulnerability has been found in Wavlink NU516U1 251208. This vulnerability affects the function sub405B2C of the file /cgi-bin/firewall.cgi of the component Incomplete Fix CVE-2025-10959. The manipulation leads to command injection. It is possible to initiate the attack remotely. The exploit ha...

CVE-2026-3715

A vulnerability was found in Wavlink WL-WN579X3-C 231124. This affects the function sub40139C of the file /cgi-bin/firewall.cgi. Performing a manipulation of the argument delflag results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made publ...

EUVD-2026-10208

A vulnerability has been found in Wavlink NU516U1 251208. This vulnerability affects the function sub405B2C of the file /cgi-bin/firewall.cgi of the component Incomplete Fix CVE-2025-10959. The manipulation leads to command injection. It is possible to initiate the attack remotely. The exploit ha...

CVE-2026-3704

A vulnerability has been found in Wavlink NU516U1 251208. This vulnerability affects the function sub405B2C of the file /cgi-bin/firewall.cgi of the component Incomplete Fix CVE-2025-10959. The manipulation leads to command injection. It is possible to initiate the attack remotely. The exploit ha...

CVE-2026-3704 Wavlink NU516U1 Incomplete Fix CVE-2025-10959 firewall.cgi sub_405B2C command injection

A vulnerability has been found in Wavlink NU516U1 251208. This vulnerability affects the function sub405B2C of the file /cgi-bin/firewall.cgi of the component Incomplete Fix CVE-2025-10959. The manipulation leads to command injection. It is possible to initiate the attack remotely. The exploit ha...

CVE-2026-3704

CVE-2026-3704 affects Wavlink NU516U1 251208 via /cgi-bin/firewall.cgi, targeting sub_405B2C with a command-injection flaw in the Incomplete Fix CVE-2025-10959. Exploitation is remote and the exploit has been disclosed publicly. Upgrading to the fixed component is recommended. Public references i...