Skip to content
OpenAdvisories
High · 8.8 CVE-2026-5004 EUVD-2026-16937

Wavlink WL-WN579X3-C UPNP firewall.cgi sub_4019FC stack-based overflow

Published Mar 28, 2026 · Updated Mar 30, 2026 · Assigned by VulDB

Description

A vulnerability was determined in Wavlink WL-WN579X3-C 231124. This impacts the function sub_4019FC of the file /cgi-bin/firewall.cgi of the component UPNP Handler. Executing a manipulation of the argument UpnpEnabled can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

VendorProductAffectedFixed
Wavlink WL-WN579X3-C 231124 —

References