CVE-2026-3715

8.8 HIGH
Published: March 08, 2026 Modified: March 10, 2026
View on NVD

Description

A vulnerability was found in Wavlink WL-WN579X3-C 231124. This affects the function sub_40139C of the file /cgi-bin/firewall.cgi. Performing a manipulation of the argument del_flag results in stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been made public and could be used. Upgrading to version 20260226 is able to mitigate this issue. You should upgrade the affected component. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

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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/?ctiid.349660
Source: cna@vuldb.com
Permissions Required VDB Entry
https://vuldb.com/?id.349660
Source: cna@vuldb.com
Third Party Advisory VDB Entry
https://vuldb.com/?submit.765325
Source: cna@vuldb.com
Third Party Advisory VDB Entry

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
8.8 / 10.0
EPSS (Exploit Probability)
0.1%
23th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

wavlink