Critical severity · published Mar 20, 2026
CVE-2026-22901
A command injection vulnerability has been reported to affect QuNetSwitch
9.8
CVSS
1%
EPSS
No
On KEV
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
QU
Qunetswitch · Qnap
2.0.1.13077 through 2.0.5.0906 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-22901
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-22901
Vendor Advisory
https://www.qnap.com/en/security-advisory/qsa-26-11
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