CVE-2026-5004

8.8 HIGH
Published: March 28, 2026 Modified: April 03, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://vuldb.com/submit/779149
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/vuln/353891
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/vuln/353891/cti
Source: cna@vuldb.com
Permissions Required VDB Entry

4 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.1%
24th percentile
Exploitation Status
Not in CISA KEV

Affected Vendors

wavlink