A NULL pointer dereference vulnerability has been reported to affect File Station 5. (CVE-2026-24721)
Description
A NULL pointer dereference vulnerability exists in File Station 5 that can be exploited by a remote attacker with a user account to cause a denial-of-service (DoS) condition. The vulnerability has been fixed in File Station 5 version 5.5.6.5243 and later.
CVSS v3.1
Score 6.5medium
Affected software
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
CVE-2026-24721 describes a NULL pointer dereference vulnerability in File Station 5. An attacker who has obtained a user account can exploit this flaw to trigger a denial-of-service attack, causing the application to crash or become unavailable. The vulnerability does not impact confidentiality or integrity but affects availability. The vendor has released a fix in File Station 5 version 5.5.6.5243 and subsequent versions.
Potential Impact
Exploitation results in a denial-of-service condition, impacting availability of File Station 5. There is no impact on confidentiality or integrity according to the CVSS vector.
Mitigation Recommendations
Upgrade File Station 5 to version 5.5.6.5243 or later to remediate this vulnerability. Applying this official fix eliminates the risk of exploitation.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-mfr5-9c36-8rh4
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-24721"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad2af0e2cdf04f656455d00
Added to database: 10/16/2026, 23:11:10 UTC
Last enriched: 10/16/2026, 23:20:16 UTC
Last updated: 10/17/2026, 01:48:08 UTC
Views: 6
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.