CVE-2025-53410Network attack vector

Authenticated resource-access interruption via unbounded allocation

Published Nov 7, 2025 · Updated Nov 7, 2025

Resource exhaustion in QNAP File Station 5 5.5.x before 5.5.6.5018 allows remote authenticated users to interrupt resource access. QNAP has not disclosed the affected File Station operation, resource type, request field, or missing allocation limit that permits the exhaustion. Any File Station user account is sufficient; successful exploitation denies the same resource to other systems, applications, or processes without reported data disclosure or modification.

CVSS severity6.5
Medium
EPSS probability0.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Resource exhaustion in QNAP File Station 5 5.5.x before 5.5.6.5018 allows remote authenticated users to interrupt resource access. QNAP has not disclosed the affected File Station operation, resource type, request field, or missing allocation limit that permits the exhaustion. Any File Station user account is sufficient; successful exploitation denies the same resource to other systems, applications, or processes without reported data disclosure or modification.

The record

CVE
CVE-2025-53410
Published
Nov 7, 2025
Updated
Nov 7, 2025
Vendor
Linn Products Limited
Product
File Station 5
Classifications
CWE-770, CAPEC-130, T1499.003
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Nov 7, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 7, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=5.5.x <5.5.6.5018

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Linn Products Limited · File Station 5version=5.5.x <5.5.6.5018

Published CVSS scores

4.9QNAP Systems, Inc.CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U
6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-770Allocation of Resources Without Limits or Throttling
CAPEC-130Excessive Allocation
T1499.003Application Exhaustion Flood

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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