Synology File Station 5 weak auth flaw (CVE-2025-57713) fixed in 5.5.6.5166
CVE-2025-57713 Published on February 11, 2026
File Station 5
A weak authentication vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to gain sensitive information.
We have already fixed the vulnerability in the following version:
File Station 5 5.5.6.5166 and later
Vulnerability Analysis
CVE-2025-57713 can be exploited with network access. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.
Weakness Type
Products Associated with CVE-2025-57713
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Affected Versions
QNAP Systems Inc. File Station 5:- Version 5.5.x and below 5.5.6.5166 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.