CVE-2025-62844 QuRouter

Medium 4.0 Published 20 Mar 2026 Updated 25 Mar 2026

Weak authentication in QNAP QuRouter allows local network attackers to bypass security controls and access sensitive information.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-62844?

CVE-2025-62844 is a medium-severity authentication bypass vulnerability in QNAP Systems Inc. QuRouter, published on 20 Mar 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

A weak authentication vulnerability has been reported to affect QHora. If an attacker gains local network access, they can then exploit the vulnerability to gain sensitive information.

We have already fixed the vulnerability in the following version: QuRouter 2.6.2.007 and later

Weakness: CWE-1390

Which versions are affected by CVE-2025-62844?

It affects 1 product.

Products include Qnap Qurouter.

How do I fix CVE-2025-62844?

No fix has been published for CVE-2025-62844 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2025-62844 being exploited?

There is no known exploitation of CVE-2025-62844 in the wild and no public exploit code.

Sources

Also known as GHSA-5gfx-m376-wpjr.