Vulnerability · Published Mar 20, 2026 · Assigned by qnap

CVE-2026-22901QuNetSwitch

Medium 6.3

In plain English

A medium-severity OS command injection in QuNetSwitch from QNAP Systems Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 4.0)6.3Medium
Exploit odds (30 days)1.0%top 36.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A command injection vulnerability has been reported to affect QuNetSwitch. If a remote attacker gains a user 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

Affected products (as reported)

VendorProductVersions
QNAP Systems Inc. QuNetSwitch 2.0.x – before 2.0.5.0906

Weakness: CWE-78 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U

References