CVE-2024-39798 Command injection in Wavlink AC3000

Critical 9.1 Published 14 Jan 2025 Updated 3 Nov 2025

An authenticated attacker can execute arbitrary commands on Wavlink AC3000 routers via a configuration injection in the openvpn.cgi script.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-39798?

CVE-2024-39798 is a critical command injection vulnerability in Wavlink Wl-Wn533a8 Firmware, published on 14 Jan 2025. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Multiple external config control vulnerabilities exists in the openvpn.cgi openvpn_server_setup() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.A configuration injection vulnerability exists in the `sel_open_protocol` POST parameter.

Weakness: CWE-15

Which versions are affected by CVE-2024-39798?

It affects 1 product.

Products include Wavlink Wl-Wn533a8 Firmware.

How do I fix CVE-2024-39798?

No fix has been published for CVE-2024-39798 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2024-39798 being exploited?

There is no known exploitation of CVE-2024-39798 in the wild and no public exploit code.

All Wavlink Wl-Wn533a8 Firmware vulnerabilities

Sources

Also known as GHSA-rhvx-9vr4-vmg9.