What is CVE-2026-22897?

CVE-2026-22897 is a critical-severity vulnerability in QNAP Qunetswitch, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-03-20.

How severe is CVE-2026-22897?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in QNAP Qunetswitch

CVE-2026-22897

A command injection vulnerability has been reported to affect QuNetSwitch. The remote attackers can then exploit the vulnerability to execute arbitrary commands. We have already fixed the vulnerability in the following version: QuNetSwitch 2.0.4.0415 and later

Vulnerability class: Command Injection (OS Command Injection)

Published 2026-03-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (63.2th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 63.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

QNAP Qunetswitch
QNAP Systems Inc. Qunetswitch — versions 2.0.x

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

www.qnap.com/en/security-advisory/qsa-26-11 (Vendor Advisory)

Frequently asked questions

What is CVE-2026-22897?: CVE-2026-22897 is a critical-severity vulnerability in QNAP Qunetswitch, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-03-20.
How severe is CVE-2026-22897?: Critical severity. CVSS v3 base score is 9.8 out of 10.