CVE-2026-74843RCE por desbordamiento de búfer en routers Wavlink
A vulnerability was determined in Wavlink WN531P3 and WN535M1 V250922. Affected by this vulnerability is the function strcpy of the file /etc/lighttpd/www/cgi-bin/export_pingortrace.cgi of the component Export Pingortrace CGI. Executing a manipulation of the argument HTTP_COOKIE can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.
Ver en NVDAnálisis
Esta vulnerabilidad en los routers Wavlink WN531P3 y WN535M1 permite la ejecución remota de código mediante un desbordamiento de búfer en un script CGI. Un atacante puede tomar control total del dispositivo manipulando el encabezado HTTP_COOKIE de una petición. El exploit ha sido publicado, lo que aumenta significativamente el riesgo de ataques automatizados contra estos equipos de red.
Roles relevantes
Severidad
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HCWE-119CWE-121EPSS
Sin puntaje EPSS aún (CVE muy reciente).
Descripción técnica
A vulnerability was determined in Wavlink WN531P3 and WN535M1 V250922. Affected by this vulnerability is the function strcpy of the file /etc/lighttpd/www/cgi-bin/export_pingortrace.cgi of the component Export Pingortrace CGI. Executing a manipulation of the argument HTTP_COOKIE can lead to stack-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure.