Link following in QNAP Virtualization Station VM import allows system compromise
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
QNAP Virtualization Station versions from 4.1.x before 4.1.1.130 contain an improper link resolution before file access flaw (CWE-59). A remote attacker who gains a user account can exploit it to compromise the security of the system.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
Description from the CNA
An improper link resolution before file access ('link following') vulnerability has been reported to affect Virtualization Station. If a remote attacker gains a user account, they can then exploit the vulnerability to compromise the security of the system. We have already fixed the vulnerability in the following version: Virtualization Station 4.1.1.130 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
Update Virtualization Station to version 4.1.1.130 or later.
Written with Claude Haiku 5.5 from the sources below · 2026-10-28
- Fix · CNA Virtualization Station (QNAP Systems Inc.) Fixed in 4.1.1.130
Timeline
- 2026-10-16 Threatist record created from CVE-2026-53882
- 2026-10-16 Priority changed: LOW → MEDIUM
References
More QNAP vulnerabilities
- TI-2022-10581 DeadBolt Ransomware KEVCVSS 3.1CRITICAL 10.0
- TI-2021-09791 Improper Authorization Vulnerability in HBS 3 (Hybrid Backup Sync) KEVCVSS 3.1CRITICAL 10.0
- TI-2020-02221 Command Injection Vulnerability in QTS and QuTS hero KEVCVSS 3.1CRITICAL 9.8
- TI-2019-05103 Path traversal in QNAP NAS devices running Photo Station KEVCVSS 3.1CRITICAL 9.8
- TI-2019-05102 Path traversal in QNAP NAS devices running Photo Station KEVCVSS 3.1CRITICAL 9.8
- TI-2019-05101 Improper input validation in QNAP NAS devices KEVCVSS 3.1CRITICAL 9.8
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences