NULL Pointer Dereference Vulnerability in QNAP File Station 5
CVE-2025-29879

5.3MEDIUM

Key Information:

Vendor

QNAP
Status
File Station 5
Vendor
CVE Published:
29 August 2025

What is CVE-2025-29879?

A NULL pointer dereference vulnerability has been identified in QNAP's File Station 5, which could be exploited by a remote attacker with valid user credentials. This exploitation can lead to a denial-of-service (DoS) attack, causing significant service disruptions. Users are advised to upgrade to version 5.5.6.4907 or later to protect against this vulnerability.

Affected Version(s)

File Station 5 5.5.x < 5.5.6.4907

References

https://www.qnap.com/en/security-advisory/qsa-25-19

CVSS V4

Score:
5.3
Severity:
MEDIUM
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
.