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TI-2025-33355 Aliases CVE-2025-53409GHSA-3vg5-p6w2-984m

Resource allocation without limits in QNAP File Station 5

Priority LOW 23CWE-770Published · Updated

Key facts

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

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-770.

Summary

An allocation of resources without limits or throttling vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to prevent other systems, applications, or processes from accessing the same type of resource. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5018 and later

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00496 42nd percentileScored 2026-11-07
Fix Fixed File Station 5 (QNAP Systems Inc.): 5.5.6.5018

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
QNAPFile Station 55.5.x to before 5.5.6.50185.5.6.5018Patch availableCNA
  • File Station 5 VendorQNAP Affected 5.5.x to before 5.5.6.5018 Fixed in 5.5.6.5018 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:qnap:file_station:*:*:*:*:*:*:*:*5.5.6.4691 to before 5.5.6.5018VulnerableQNAP
  • cpe:2.3:a:qnap:file_station:*:*:*:*:*:*:*:* Versions 5.5.6.4691 to before 5.5.6.5018 Vulnerable ·QNAP

Remediation

  • Fix · CNA File Station 5 (QNAP Systems Inc.) Fixed in 5.5.6.5018

Fixed in the same release

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

  • Release ·

    QNAP Systems File Station 5 5.5.6.5018

    9 records Highest priority Priority LOW 9 LOW

    Other records, highest priority first

    • TI-2025-29778 NULL pointer dereference in QNAP File Station 5Priority LOW 24
    • TI-2025-33359 Resource allocation without limits in QNAP File Station 5Priority LOW 23
    • TI-2025-33356 Resource allocation without limits in QNAP File Station 5Priority LOW 23
    Show all 9 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-53409
  2. 2026-10-03 Alias added: GHSA-3vg5-p6w2-984m

References

Advisory 1

  • TI-2025-24025 Improper certificate validation in QNAP File Station 5 CVSS 4.0HIGH 8.3
  • TI-2025-21598 Improper certificate validation in QNAP File Station 5 CVSS 4.0HIGH 8.3
  • TI-2025-21273 Improper certificate validation in QNAP File Station 5 CVSS 4.0HIGH 8.3
  • TI-2025-21272 Improper certificate validation in QNAP File Station 5 CVSS 4.0HIGH 8.3
  • TI-2025-21271 Improper certificate validation in QNAP File Station 5 CVSS 4.0HIGH 8.3
  • TI-2026-19932 Incorrect authorization in QNAP File Station 5 CVSS 4.0MEDIUM 6.2
See all 56 →

Sources

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