CVE-2024-39363 Cross-site scripting in Wavlink AC3000

Critical 9.6 Published 14 Jan 2025 Updated 14 Jan 2025

An unauthenticated attacker can trigger cross-site scripting in the login page to disclose sensitive information on Wavlink AC3000 routers.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2024-39363?

CVE-2024-39363 is a critical cross-site scripting vulnerability in Wavlink Wl-Wn533a8 Firmware, published on 14 Jan 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

A cross-site scripting (xss) vulnerability exists in the login.cgi set_lang_CountryCode() functionality of Wavlink AC3000 M33A8.V5030.210505. A specially crafted HTTP request can lead to a disclosure of sensitive information. An attacker can make an unauthenticated HTTP request to trigger this vulnerability.

Weakness: CWE-80

Which versions are affected by CVE-2024-39363?

It affects 1 product.

Products include Wavlink Wl-Wn533a8 Firmware.

How do I fix CVE-2024-39363?

No fix has been published for CVE-2024-39363 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2024-39363 being exploited?

There is no known exploitation of CVE-2024-39363 in the wild and no public exploit code.

All Wavlink Wl-Wn533a8 Firmware vulnerabilities

Sources

Also known as GHSA-7rgq-53c3-wvm6.