CVE-2024-39273 Missing authorization in Wavlink AC3000

Critical 9.0 Published 14 Jan 2025 Updated 15 Jan 2025

An attacker can perform a man-in-the-middle attack to trigger arbitrary firmware updates on Wavlink AC3000 routers due to missing authorization in the firmware check script.

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

What is CVE-2024-39273?

CVE-2024-39273 is a critical missing authorization vulnerability in Wavlink Wl-Wn533a8 Firmware, published on 14 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A firmware update vulnerability exists in the fw_check.sh functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to arbitrary firmware update. An attacker can perform a man-in-the-middle attack to trigger this vulnerability.

Weakness: CWE-306

Which versions are affected by CVE-2024-39273?

It affects 1 product.

Products include Wavlink Wl-Wn533a8 Firmware.

How do I fix CVE-2024-39273?

No fix has been published for CVE-2024-39273 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2024-39273 being exploited?

There is no known exploitation of CVE-2024-39273 in the wild and no public exploit code.

All Wavlink Wl-Wn533a8 Firmware vulnerabilities

Sources

Also known as GHSA-9953-68f2-mpwf.