EUVD-2026-14295
GHSA-xvp7-mx9h-8g48
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Lifecycle Timeline
4Tags
Description
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 attack remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Analysis
Wavlink WL-WN578W2 routers contain a command injection vulnerability in the /cgi-bin/firewall.cgi POST handler that allows authenticated attackers to execute arbitrary commands by manipulating the dmz_flag or del_flag parameters. The vulnerability is remotely exploitable and has public exploit code available, though no patch has been released. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.
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External POC / Exploit Code
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