NULL Pointer Dereference Vulnerability in QNAP File Station 5
CVE-2025-52865

1.3LOW

Key Information:

Vendor

QNAP
Status
File Station 5
Vendor
CVE Published:
7 November 2025

What is CVE-2025-52865?

A vulnerability has been identified in QNAP File Station 5 that involves a NULL pointer dereference. If a remote attacker successfully gains access to a user account, they can exploit this flaw to execute a denial-of-service attack, disrupting functionality and availability. QNAP has addressed this issue in version 5.5.6.5018 and later, emphasizing the importance of updating to safeguard against potential exploits.

Affected Version(s)

File Station 5 5.5.x < 5.5.6.5018

References

https://www.qnap.com/en/security-advisory/qsa-25-38

CVSS V4

Score:
1.3
Severity:
LOW
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

coral
JSON
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CVE-2025-52865 : NULL Pointer Dereference Vulnerability in QNAP File Station 5