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Vulnerabilities

Vulnerability · CVE-2025-29883

An improper certificate validation vulnerability has been reported to affect File Station 5.

Published Jun 6, 2025 · catalog updated Jun 6, 2025 · QNAP Systems Inc. File Station 5

Check if you run it

No confirmed exploitation is on record for CVE-2025-29883. EPSS is 0.26%. Act only if a listed version of QNAP Systems Inc. File Station 5 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.26%
Remediation
Version ranges on file
Affected products
vendor QNAP Systems Inc. File Station 5 5.5.x <5.5.6.4791

An improper certificate validation vulnerability has been reported to affect File Station 5. If exploited, the vulnerability could allow remote attackers who have gained user access to compromise the security of the system. We have already fixed the vulnerability in the following versions: File Station 5 5.5.6.4791 and later and later

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor QNAP Systems Inc. File Station 5 5.5.x <5.5.6.47915.5.x <5.5.6.4791

How to fix CVE-2025-29883

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-29883. EPSS is 0.26%. Act only if a listed version of QNAP Systems Inc. File Station 5 is installed.

Which versions are affected?

Compare what you have installed with QNAP Systems Inc. File Station 5 5.5.x <5.5.6.4791 5.5.x <5.5.6.4791. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.26%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 6, 2025 · EUVD

    Detected

    An improper certificate validation vulnerability has been reported to affect File Station 5. If exploited, the vulnerability could allow remote attackers who have gained user access to compromise the security of the system. We have already fixed the vulnerability in the following versions: File Station 5 5.5.6.4791 and later and later

  2. Jun 6, 2025 · EUVD

    Updated

    An improper certificate validation vulnerability has been reported to affect File Station 5. If exploited, the vulnerability could allow remote attackers who have gained user access to compromise the security of the system. We have already fixed the vulnerability in the following versions: File Station 5 5.5.6.4791 and later and later

Sources

  • CVE.orgVulnerability recordCVE-2025-29883

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-29883

    30-day exploitation probability 0.3%

    first.org
  • EUVDVulnerability recordEUVD-2025-17344

    An improper certificate validation vulnerability has been reported to affect File Station 5. If exploited, the vulnerability could allow remote attackers who have gained user access to compromise the security of the system. We have already fixed the vulnerability in the following

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.