CVE-2025-54163
NULL Pointer Dereference in File Station 5 Enables DoS Attack
Publication date: 2026-02-11
Last updated on: 2026-02-12
Assigner: QNAP Systems, Inc.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| qnap | file_station | From 5.5.6.4691 (inc) to 5.5.6.5190 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-476 | The product dereferences a pointer that it expects to be valid but is NULL. |
Attack-Flow Graph
AI Powered Q&A
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
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How can this vulnerability be detected on my network or system? Can you suggest some commands?
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Can you explain this vulnerability to me?
This vulnerability is a NULL pointer dereference issue affecting File Station 5. It occurs when a remote attacker who has obtained an administrator account exploits this flaw to cause the application to crash or become unavailable.
Essentially, the attacker can trigger a denial-of-service (DoS) attack by exploiting this vulnerability.
How can this vulnerability impact me? :
If exploited, this vulnerability allows an attacker with administrator privileges to launch a denial-of-service (DoS) attack against File Station 5, causing the service to crash or become unavailable.
This can disrupt normal operations and potentially impact availability of the affected system.
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, ensure that your File Station 5 software is updated to version 5.5.6.5166 or later, where the issue has been fixed.
Additionally, restrict administrator account access to trusted users only, as exploitation requires an attacker to have administrator privileges.