Resource Allocation DoS in Synology File Station 5 (Fixed 5.5.6.5068)
CVE-2025-54161 Published on February 11, 2026
File Station 5
An allocation of resources without limits or throttling vulnerability has been reported to affect File Station 5. If a remote attacker gains an administrator 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 5.5.6.5068 and later
Weakness Type
Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Products Associated with CVE-2025-54161
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Affected Versions
QNAP Systems Inc. File Station 5:- Version 5.5.x and below 5.5.6.5068 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.