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CVE-2025-61871

Quick assessment

Affected
BUFFALO INC. NAS Navigator2 (Windows version only)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Buffalo NAS Navigator2是日本Buffalo公司的一款网络存储设备管理工具。 Buffalo NAS Navigator2 3.12.0之前版本存在代码问题漏洞，该漏洞源于Windows服务注册了未加引号的文件路径，可能导致具有系统驱动器根目录写入权限的用户以SYSTEM特权执行任意代码。

AI Predicted 7.8 Difficulty: Easy EPSS 0.17% · P6
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I. Basic Information for CVE-2025-61871

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
未经引用的搜索路径或元素
Source: CVE Program / CVE List V5
Vulnerability Title
Buffalo NAS Navigator2 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Buffalo NAS Navigator2是日本Buffalo公司的一款网络存储设备管理工具。 Buffalo NAS Navigator2 3.12.0之前版本存在代码问题漏洞，该漏洞源于Windows服务注册了未加引号的文件路径，可能导致具有系统驱动器根目录写入权限的用户以SYSTEM特权执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
BUFFALO INC. NAS Navigator2 (Windows version only) prior to Ver.3.12.0 -

II. Public POCs for CVE-2025-61871

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III. Intelligence Information for CVE-2025-61871

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Other References for CVE-2025-61871 (1)

IV. Related Vulnerabilities

Same vendor: BUFFALO INC.
Same weakness: CWE-428

V. Comments for CVE-2025-61871

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