CVE-2026-2530CWE-74CWE-77

Wavlink WL-WN579A3 wireless.cgi AddMac command injection

Medium · published February 16, 2026

CVSS v4.0
5.3
EPSS
9%
Percentile
95.3
In the wild
Unconfirmed
What it is

A weakness has been identified in Wavlink WL-WN579A3 up to 20210219. This affects the function AddMac of the file /cgi-bin/wireless.cgi. This manipulation of the argument macAddr causes command injection. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

The record
Technical detail
CVSS v4.0
5.3 · MEDIUM
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
EPSS
0.09160 · 95.3th percentile
Weaknesses
CWE-74 · Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'); CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-02-16T02:32Z
EPSS history
Timeline
  • 16 FEB 02:32Z
    Wavlink WL-WN579A3 wireless.cgi AddMac command injection
    cvelistv5