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CVE-2026-26239

File Station 5

Published: Jun 10, 2026Updated: Jun 17, 2026 Sources: CVE List NVDCWE-121
8.1HIGH
NVD MITRE
EPSS Score
0.3%
Top 79.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A buffer overflow vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to modify memory or crash processes. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5208 and later

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-121

Affected Products

File Station 5QNAP Systems Inc.Hardware Firmware
file stationqnapHardware Firmware
qnap systems inc.commercialTWHardware Firmwareaka qnap
qnapcommercialTWHardware Firmwareaka qnap systems

Exploitability

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://www.qnap.com/en/security-advisory/qsa-26-10
qnap.com

Timeline

Published
Jun 10, 2026
Last Updated
Jun 17, 2026

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