CVE-2025-44882

A command injection vulnerability in the component /cgi-bin/firewall.cgi of Wavlink WL-WN579A3 v1.0 allows attackers to execute arbitrary commands via a…

Critical · published May 20, 2025

CVSS v3.1
9.8
EPSS
2%
Percentile
79.6
In the wild
Unconfirmed
What it is

🚨 A single crafted input could unleash chaos! This command injection vulnerability in Wavlink's firewall.cgi is a golden ticket for attackers to run any command they wish. 🔥 Think of it as leaving the front door wide open during a thunderstorm. An unwelcome visitor could waltz in and take over your entire house, wreaking havoc with your belongings. An attacker could exploit this flaw to execute arbitrary commands on the device, potentially compromising the firewall completely. Once in, they could manipulate settings, access sensitive data, or even launch other attacks on your network. This could lead to a catastrophic security breach that puts all connected devices at risk.

Put simply

Think of it as leaving the front door wide open during a thunderstorm. An unwelcome visitor could waltz in and take over your entire house, wreaking havoc with your belongings. This command injection vulnerability allows attackers to send specially crafted inputs to /cgi-bin/firewall.cgi, which the server blindly executes without proper validation. This oversight provides an avenue for attackers to execute harmful commands on the system.

What to do

An attacker could exploit this flaw to execute arbitrary commands on the device, potentially compromising the firewall completely. Once in, they could manipulate settings, access sensitive data, or even launch other attacks on your network. This could lead to a catastrophic security breach that puts all connected devices at risk. To protect yourself, immediately apply the vendor's patch for WL-WN579A3 v1.0. If you haven't already, review the configurations of your firewall and ensure that only trusted inputs are accepted. Regularly audit your devices for vulnerabilities to prevent future risks. You've got this! With a quick patch and some vigilance, you'll keep your network safe and sound. 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01905 · 79.6th percentile
Published
2025-05-20T00:00Z
EPSS history
Timeline
  • 20 MAY 00:00Z
    A command injection vulnerability in the component /cgi-bin/firewall.cgi of Wavlink WL-WN579A3 v1.0 allows attackers to execute arbitrary commands via a…
    cvelistv5