CVE-2026-26240

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 v3 9.1 CRITICAL

9.1^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

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. Los atacantes remotos pueden entonces explotar la vulnerabilidad para modificar la memoria o bloquear procesos. Ya hemos corregido la vulnerabilidad en la siguiente versión: File Station 5 5.5.6.5243 y posteriores

17 Jun 2026, 13:20

Type	Values Removed	Values Added
References	~~{'url': 'https://www.qnap.com/en/security-advisory/qsa-26-32', 'tags': ['Broken Link'], 'source': 'security@qnapsecurity.com.tw'}~~	() https://www.qnap.com/en/security-advisory/qsa-26-10 -

12 Jun 2026, 12:52

Type	Values Removed	Values Added
References	~~() https://www.qnap.com/en/security-advisory/qsa-26-32 -~~	() https://www.qnap.com/en/security-advisory/qsa-26-32 - Broken Link
First Time		Qnap file Station Qnap
CPE		cpe:2.3:a:qnap:file_station::::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.1

10 Jun 2026, 05:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-10 05:16

Updated : 2026-07-23 09:10

NVD link : CVE-2026-26240

Mitre link : CVE-2026-26240

CVE.ORG link : CVE-2026-26240

JSON object : View

Products Affected

qnap

file_station

CWE

CWE-121

Stack-based Buffer Overflow

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