Uncontrolled Resource Consumption in Synology File Station 5 (<5.5.6.5190) DoS
CVE-2025-62854 Published on February 11, 2026
File Station 5
An uncontrolled resource consumption vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to launch a denial-of-service (DoS) attack.
We have already fixed the vulnerability in the following version:
File Station 5 5.5.6.5190 and later
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2025-62854 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2025-62854
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Affected Versions
QNAP Systems Inc. File Station 5:- Version 5.5.x and below 5.5.6.5190 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.