CVE-2025-61871

High

Description

NAS Navigator2 Windows version by BUFFALO INC. registers a Windows service with an unquoted file path. A user with the write permission on the root directory of the system drive may execute arbitrary code with SYSTEM privilege.

SeverityHigh
CVSS8.4
Exploit probability—
ProductNAS Navigator2 (Windows version only)
PublishedOct 10, 2025
First seenOct 10, 2025
Weakness typeCWE-428CWE-428

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
BUFFALO INC. NAS Navigator2 (Windows version only)prior to Ver.3.12.0—

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