NULL Pointer Dereference in QNAP File Station 5 Affects Users
CVE-2026-24722

5.3MEDIUM

Key Information:

Vendor

QNAP
Status
File Station 5
Vendor
CVE Published:
15 October 2026

What is CVE-2026-24722?

A NULL pointer dereference vulnerability exists in the QNAP File Station 5 application, which allows remote attackers with user accounts to exploit this flaw. Once exploited, it can lead to potential denial-of-service (DoS) attacks, disrupt user access, and degrade the service's usability. Users are advised to update to version 5.5.6.5243 or later to mitigate this risk.

Affected Version(s)

File Station 5 5.5.x < 5.5.6.5243

References

https://www.qnap.com/en/app-release-notes?keyword=FileSta...
release-notes

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
.