CVE-2026-109109 | Wavlink WL-WN530BE1-A 251117 Settings Export CGI ExportAllSettings.cgi strcpy HTTP_COOKIE/X-Cmd stack-based overflow

October 12, 2026 Yanac

A vulnerability identified as very critical has been detected in Wavlink WL-WN530BE1-A 251117. This vulnerability affects the function strcpy of the file /cgi-bin/ExportAllSettings.cgi of the component Settings Export CGI. Performing a manipulation of the argument HTTP_COOKIE/X-Cmd results in stack-based buffer overflow.

This vulnerability is cataloged as CVE-2026-109109. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.

The vendor was contacted early about this disclosure.VulDB Recent EntriesRead More