CVE-2026-26239

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

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

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

Configurations

Configuration 1 (hide)

cpe:2.3:a:qnap:file_station:*:*:*:*:*:*:*:*

History

23 Jul 2026, 09:10

Type	Values Removed	Values Added
Summary		(es) Se ha reportado una vulnerabilidad de desbordamiento de búfer que afecta a File Station 5. Si un atacante remoto obtiene una cuenta de usuario, puede entonces explotar la vulnerabilidad para modificar la memoria o bloquear procesos. Ya hemos corregido la vulnerabilidad en la siguiente versión: File Station 5 5.5.6.5208 y posteriores

17 Jun 2026, 13:20

Type	Values Removed	Values Added
References	~~{'url': 'https://www.qnap.com/en/security-advisory/qsa-26-37', 'tags': ['Broken Link'], 'source': 'security@qnapsecurity.com.tw'}~~	() https://www.qnap.com/en/security-advisory/qsa-26-10 -

12 Jun 2026, 12:53

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 8.1
First Time		Qnap file Station Qnap
References	~~() https://www.qnap.com/en/security-advisory/qsa-26-37 -~~	() https://www.qnap.com/en/security-advisory/qsa-26-37 - Broken Link
CPE		cpe:2.3:a:qnap:file_station::::::::

10 Jun 2026, 04:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-10 04:17

Updated : 2026-07-23 09:10

NVD link : CVE-2026-26239

Mitre link : CVE-2026-26239

CVE.ORG link : CVE-2026-26239

JSON object : View

Products Affected

qnap

file_station

CWE

CWE-121

Stack-based Buffer Overflow

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