What is CVE-2026-22902?

CVE-2026-22902 is a medium-severity vulnerability in Qnap Qunetswitch, classified under OS Command Injection. CVSS score: 6.7/10. Published 2026-03-20.

How severe is CVE-2026-22902?

Medium severity. CVSS v3 base score is 6.7 out of 10.

RCE in Qnap Qunetswitch

CVE-2026-22902

A command injection vulnerability has been reported to affect QuNetSwitch. If a local attacker gains an administrator account, they can then exploit the vulnerability to execute arbitrary commands. We have already fixed the vulnerability in the following version: QuNetSwitch 2.0.5.0906 and later

Vulnerability class: Command Injection (OS Command Injection)

EPSS: 0.005 (37.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/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-2026-22902?: CVE-2026-22902 is a medium-severity vulnerability in Qnap Qunetswitch, classified under OS Command Injection. CVSS score: 6.7/10. Published 2026-03-20.
How severe is CVE-2026-22902?: Medium severity. CVSS v3 base score is 6.7 out of 10.