CVE-2024-39790 Misconfiguration in Wavlink AC3000

Critical 9.1 Published 14 Jan 2025 Updated 3 Nov 2025

An authenticated attacker can inject configuration parameters in the FTP settings of Wavlink AC3000 routers to bypass permissions.

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-2024-39790?

CVE-2024-39790 is a critical 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 exist in the nas.cgi set_ftp_cfg() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to permission bypass. An attacker can make an authenticated HTTP request to trigger these vulnerabilities.A configuration injection vulnerability exists within the `ftp_max_sessions` POST parameter.

Weakness: CWE-15

Which versions are affected by CVE-2024-39790?

It affects 1 product.

Products include Wavlink Wl-Wn533a8 Firmware.

How do I fix CVE-2024-39790?

No fix has been published for CVE-2024-39790 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-39790 being exploited?

There is no known exploitation of CVE-2024-39790 in the wild and no public exploit code.

All Wavlink Wl-Wn533a8 Firmware vulnerabilities

Sources

Also known as GHSA-5wmq-f28x-ggg6.