CVE-2024-39757 Memory corruption in Wavlink AC3000

Critical 9.1 Published 14 Jan 2025 Updated 14 Jan 2025

An authenticated attacker can trigger a stack-based buffer overflow in the wireless.cgi AddMac function to execute arbitrary commands on the device.

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-2024-39757?

CVE-2024-39757 is a critical memory corruption 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

A stack-based buffer overflow vulnerability exists in the wireless.cgi AddMac() 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 this vulnerability.

Weakness: CWE-121

Which versions are affected by CVE-2024-39757?

It affects 1 product.

Products include Wavlink Wl-Wn533a8 Firmware.

How do I fix CVE-2024-39757?

No fix has been published for CVE-2024-39757 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2024-39757 being exploited?

There is no known exploitation of CVE-2024-39757 in the wild and no public exploit code.

All Wavlink Wl-Wn533a8 Firmware vulnerabilities

Sources

Also known as GHSA-jw4w-2rjj-x8jv.