Command injection in QNAP QuFirewall
Priority LOW 33CWE-77Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-77.
Summary
A command injection vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow remote attackers who have gained administrator access to execute arbitrary commands. We have already fixed the vulnerability in the following versions: QuFirewall 2.3.3 ( 2023/03/27 ) and later and later
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00943 61st percentileScored 2026-11-07
Fix Fixed QuFirewall (QNAP Systems Inc.): 2.3.3 ( 2023/03/27 )
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA QuFirewall (QNAP Systems Inc.) Fixed in 2.3.3 ( 2023/03/27 )
Timeline
- 2026-10-02 Threatist record created from CVE-2023-23356
- 2026-10-03 Alias added: GHSA-7q2m-5cgc-3v5r
References
More QNAP Qufirewall vulnerabilities
- TI-2023-21891 Path traversal in QNAP QuFirewall CVSS 3.1MEDIUM 4.9
- TI-2023-21892 Path traversal in QNAP QuFirewall CVSS 3.1MEDIUM 5.5
Sources
- CVE-2023-23356 · CVE Program
- CVE-2023-23356 · NVD
- FIRST EPSS
- GHSA-7q2m-5cgc-3v5r · 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