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CVE-2025-57707VulnerabilityPublished

CVE-2025-57707: QNAP Systems File Station 5 · CWE-96

Affects QNAP Systems File Station 5Source CVE Database V5

0

Not known to be exploited · CVSS 1.1 Low : upgrade to 5.5.6.5166 when convenient.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 4.0 base score
1.1Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.7% chance of exploitation in 30 days – higher than 54% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 5.5.6.5166
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 Feb 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Upgrade QNAP Systems File Station 5 to 5.5.6.5166.

Affected software

ProductAffectedFixed in
QNAP Systems Inc.File Station 5Affected
  • >=5.5.x <5.5.6.5166
Fixed in
  • 5.5.6.5166

AI-suggested

European organizations should prioritize upgrading QNAP File Station 5 to version 5.5.6.5166 or later, where the vulnerability is fixed. In addition, organizations should enforce strong user account security policies, including multi-factor authentication (MFA) to reduce the risk of account compromise. Regularly audit user permissions to ensure least privilege principles are applied, limiting access to sensitive files only to necessary users. Network segmentation and firewall rules should restrict access to NAS management interfaces to trusted internal networks or VPNs. Monitoring and logging access to File Station can help detect suspicious activities indicative of exploitation attempts. Organizations should also educate users about phishing and social engineering risks that could lead to account compromise. Finally, ensure that backup and recovery procedures are robust to mitigate potential data exposure consequences.

Description

CVE-2025-57707 is a low-severity vulnerability in QNAP Systems Inc. 's File Station 5, specifically version 5.5.x, involving improper neutralization of directives in statically saved code (Static Code Injection). A remote attacker with a valid user account can exploit this flaw to access restricted data or files. The vulnerability requires low privileges (a user account) and user interaction but does not allow privilege escalation or code execution. No known exploits are currently in the wild, and the issue has been fixed in File Station 5 version 5.5.6.5166 and later.

References

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