A vulnerability, which was classified as very critical, was found 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 identification of this vulnerability is
Exploit
CVE-2026-74843
VulDB
Apply vendor security patch