CVE-2026-24722: CWE-476 in QNAP Systems Inc. File Station 5
Description
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 5.5.6.5243 and later
CVSS v4.0
Score 5.3medium
Affected software
QNAP Systems Inc.
File Station 5
pkg:github/qnap/FileStation5Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-476) involves a NULL pointer dereference in File Station 5 by QNAP Systems Inc. An attacker who has obtained a user account can trigger a denial-of-service attack by exploiting this flaw. The issue affects versions from 5.5.0 up to but not including 5.5.6.5243. The vendor has released a fix in version 5.5.6.5243 to address this problem.
Potential Impact
Successful exploitation allows a remote attacker with user privileges to cause a denial-of-service condition, potentially disrupting service availability. The impact is limited to DoS and requires prior user account access.
Mitigation Recommendations
Upgrade File Station 5 to version 5.5.6.5243 or later where the vulnerability is fixed. No additional mitigation is required as the official fix addresses the issue.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- qnap
- Date Reserved
- 2026-01-26T06:41:35.898Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 6ad07e722cdf04f65612bc1c
Added to database: 10/15/2026, 07:19:14 UTC
Last enriched: 10/15/2026, 07:33:26 UTC
Last updated: 10/15/2026, 19:00:27 UTC
Views: 19
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