OS command injection in QNAP QuNetSwitch
Key facts
- Attack vector
- Local
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-78.
Summary
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
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA QuNetSwitch (QNAP Systems Inc.) Fixed in 2.0.5.0906
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
QNAP Systems QuNetSwitch 2.0.5.0906
3 records Highest priority Priority LOW 3 LOW
Other records, highest priority first
- TI-2026-18388 OS command injection in QNAP QuNetSwitchPriority LOW 38
- TI-2026-18387 Hard-coded credentials in QNAP QuNetSwitchPriority LOW 36
Timeline
- 2026-10-02 Threatist record created from CVE-2026-22902
- 2026-10-03 Alias added: GHSA-8386-fp86-ccp9
References
More QNAP Qunetswitch vulnerabilities
- TI-2026-18384 OS command injection in QNAP QuNetSwitch CVSS 4.0HIGH 8.1
- TI-2021-09804 Insufficiently Protected Credentials Vulnerability in QSW-M2116P-2T2S and QuNetSwitch CVSS 3.1CRITICAL 9.6
- TI-2026-18388 OS command injection in QNAP QuNetSwitch CVSS 4.0MEDIUM 6.3
- TI-2026-18387 Hard-coded credentials in QNAP QuNetSwitch CVSS 4.0MEDIUM 6.8
Sources
- CVE-2026-22902 · CVE Program
- CVE-2026-22902 · NVD
- FIRST EPSS
- GHSA-8386-fp86-ccp9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences