CVE-2026-22902QuNetSwitch

5.7MediumCVSS base score
0.48%Exploitation in 30 daysEPSS · top 58% of all CVEs
NoKnown exploitednot in CISA's KEV catalog
NonePublic exploitsnone known yet

Description

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

Timeline

2026
13 Jan 2026
13 Jan 2026
ID reserved
By qnap
20 Mar 20262 months later
20 Mar 2026· 2 months later
Published
25 Mar 20265 days later
25 Mar 2026· 5 days later
Record updated

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-22902, by who scored it
Scored by	CVSS	Score	Vector
qnapCNA (assigner)	4.0	Medium5.7	CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U
NVDNVD · Analyzed	4.0	Medium5.7	CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS (exploitation in 30 days): 0.48% · top 58% of all CVEs (12 Nov 2026)
CISA SSVC: Exploitation: none · Automatable: no · Technical impact: total

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.7.

Affected products

QNAP Systems Inc. · QuNetSwitch
- affected 2.0.x – < 2.0.5.0906

What to do

Solution: We have already fixed the vulnerability in the following version: QuNetSwitch 2.0.5.0906 and later

References1

https://www.qnap.com/en/security-advisory/qsa-26-11 (opens in a new tab)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

[![CVE-2026-22902](https://cveledger.app/badge/CVE-2026-22902.svg)](https://cveledger.app/cve/CVE-2026-22902)

Record last updated 25 Mar 2026, 14:05 UTC.