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)

EPSS: 0.011 (61.1th percentile) — read the EPSS interpretation.

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.

Affected products

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

Weakness classification (CWE)

CWE-78 — OS Command Injection

References

security@qnapsecurity.com.tw (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.