VULNERABILITY INTELLIGENCE

CVE-2026-5004

CVSS score8.8 HIGH
EPSS probability0.70%
CISA KEVNot currently listed
Published2026-03-28
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • cna@vuldb.com: CWE-119
  • nvd@nist.gov: CWE-787

Primary references