PatchSiren cyber security CVE debrief
CVE-2026-26241 Qnap CVE debrief
A buffer overflow vulnerability has been reported to affect File Station 5. The remote attackers can then exploit the vulnerability to modify memory or crash processes. This medium-severity vulnerability has been fixed in File Station 5 version 5.5.6.5243 and later.
- Vendor
- Qnap
- Product
- File Station
- CVSS
- MEDIUM 5.3
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-06-10
- Original CVE updated
- 2026-06-12
- Advisory published
- 2026-06-10
- Advisory updated
- 2026-06-12
Who should care
Users of QNAP File Station 5, particularly those using versions prior to 5.5.6.5243, should apply the patch to prevent exploitation.
Technical summary
The vulnerability, tracked as CVE-2026-26241, is a buffer overflow issue in File Station 5. It has a CVSS score of 5.3 and is considered medium-severity. The vulnerability allows remote attackers to exploit the system, potentially leading to memory modification or process crashes.
Defensive priority
Medium
Recommended defensive actions
- Apply the patch: Upgrade to File Station 5 version 5.5.6.5243 or later.
- Review and update: Ensure all instances of File Station 5 are running the patched version.
Evidence notes
The vulnerability was reported and patched by QNAP. The CVE record and NVD details provide additional context.
Official resources
-
CVE-2026-26241 CVE record
CVE.org
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CVE-2026-26241 NVD detail
NVD
-
Source item URL
nvd_modified
-
Source reference
[email protected] - Broken Link
CVE-2026-26241 was published on 2026-06-10T05:16:39.103Z and modified on 2026-06-12T12:51:25.803Z.