CVE-2025-52865: A NULL pointer dereference vulnerability has been reported to affect File Station 5. If a remote attacker gains a user…
CVE-2025-52865 · Severity: medium · CVSS 6.5 · Published 2025-11-07
A NULL pointer dereference 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 5.5.6.5018 and later
No. Junglewise Threat Intelligence has no report of CVE-2025-52865 being exploited in the wild.
How severe is CVE-2025-52865?
Medium severity, with a CVSS score of 6.5, published 7 November 2025.
Which products and versions are affected?
QNAP File Station. The advisory does not name versions.
Is there a fix for CVE-2025-52865?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
Am I affected by CVE-2025-52865?
Check whether you run QNAP File Station. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.