CVE-2026-2527CWE-74CWE-77

Wavlink WL-WN579A3 login.cgi command injection

Medium · published February 16, 2026

CVSS v4.0
5.3
EPSS
9%
Percentile
95.4
In the wild
Unconfirmed
What it is

A vulnerability was determined in Wavlink WL-WN579A3 up to 20210219. Affected is an unknown function of the file /cgi-bin/login.cgi. Executing a manipulation of the argument key can lead to command injection. The attack may be launched 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.

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
0.09447 · 95.4th 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
2026-02-16T01:32Z
EPSS history
Timeline
  • 16 FEB 01:32Z
    Wavlink WL-WN579A3 login.cgi command injection
    cvelistv5