CVE-2026-22900 QuNetSwitch

Medium 6.8 Published 20 Mar 2026 Updated 25 Mar 2026

Remote attackers can gain unauthorized access to QNAP QuNetSwitch devices due to hard-coded credentials.

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-2026-22900?

CVE-2026-22900 is a medium-severity vulnerability in QNAP Systems Inc. QuNetSwitch, published on 20 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A use of hard-coded credentials vulnerability has been reported to affect QuNetSwitch. The remote attackers can then exploit the vulnerability to gain unauthorized access.

We have already fixed the vulnerability in the following version: QuNetSwitch 2.0.5.0906 and later

Weakness: CWE-798

Which versions are affected by CVE-2026-22900?

It affects 1 product.

Products include Qnap Qunetswitch.

How do I fix CVE-2026-22900?

No fix has been published for CVE-2026-22900 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-22900 being exploited?

There is no known exploitation of CVE-2026-22900 in the wild and no public exploit code.

Sources

Also known as GHSA-x6cr-668f-4m47.