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CRITICAL · 9.1

CVE-2026-26241

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. We have already fixed the vuln...

Vulnerability Description

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. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5243 and later

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
QnapFile Station>= 5.5.6.4691, < 5.5.6.5243

Related Weaknesses (CWE)

CWE-121

References

FAQ

What is CVE-2026-26241?

CVE-2026-26241 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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. We have already fixed the vuln...

How severe is CVE-2026-26241?

CVE-2026-26241 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-26241?

Check the references section above for vendor advisories and patch information. Affected products include: Qnap File Station.