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TI-2025-32898 Aliases CVE-2025-52861GHSA-9277-pf66-9w4c

Path traversal in QNAP VioStor

Priority LOW 32CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

A path traversal vulnerability has been reported to affect VioStor. If a remote attacker gains an administrator account, they can then exploit the vulnerability to read the contents of unexpected files or system data. We have already fixed the vulnerability in the following version: VioStor 5.1.6 build 20250621 and later

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00652 51st percentileScored 2026-11-07
Fix Fixed VioStor (QNAP Systems Inc.): 5.1.6 build 20250621

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

VendorProductAffected versionsFixed inStatusSource
QNAPVioStor5.1.0 to before 5.1.6 build 202506215.1.6 build 20250621Patch availableCNA
  • VioStor VendorQNAP Affected 5.1.0 to before 5.1.6 build 20250621 Fixed in 5.1.6 build 20250621 Patch available CNA

Remediation

  • Fix · CNA VioStor (QNAP Systems Inc.) Fixed in 5.1.6 build 20250621

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    QNAP Systems VioStor 5.1.6 build 20250621

    2 records Highest priority Priority MEDIUM 1 MEDIUM, 1 LOW

    Other records, highest priority first

    • TI-2025-32893 Improper authentication in QNAP VioStorPriority MEDIUM 49
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-52861
  2. 2026-10-03 Alias added: GHSA-9277-pf66-9w4c
  3. 2026-10-16 EPSS moved to the 50th–90th percentile

References

Other 1

  • 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
See all 681 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences