How severe is CVE-2026-22901?

CVE-2026-22901 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-22901 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22901?

CVE-2026-22901 affects Qnap Qunetswitch. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22901?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2026-22901 have an EU (EUVD) identifier?

Yes. CVE-2026-22901 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13722.

When was CVE-2026-22901 published?

CVE-2026-22901 was published on 2026-03-20 and last updated on 2026-06-17.

CVE-2026-22901

CVE-2026-22901 is a critical-severity vulnerability in Qnap Qunetswitch with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 6.3
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-13722
Weakness: CWE-78
Affected product: Qnap Qunetswitch
Published: 2026-03-20
Last modified: 2026-06-17

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

Frequently asked questions

What is CVE-2026-22901?: 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
How severe is CVE-2026-22901?: CVE-2026-22901 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-22901 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22901?: CVE-2026-22901 affects Qnap Qunetswitch. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22901?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-22901 have an EU (EUVD) identifier?: Yes. CVE-2026-22901 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-13722.
When was CVE-2026-22901 published?: CVE-2026-22901 was published on 2026-03-20 and last updated on 2026-06-17.

References

https://www.qnap.com/en/security-advisory/qsa-26-11

Affected products (1)

cpe:2.3:a:qnap:qunetswitch:*:*:*:*:*:*:*:*

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