CVE-2025-61871_CVE-2025-61871

8.4 / 10

HIGH

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

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.

Basic Information

ID CVE-2025-61871

Source jpcert

Published Oct 10, 2025 at 04:52

Affected Product

Vendor BUFFALO INC.

Product NAS Navigator2 (Windows version only)

Version prior to Ver.3.12.0

Affected Versions BUFFALO INC. NAS Navigator2 (Windows version only) prior to Ver.3.12.0

CWE Classification

CWE-428

References

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    "lastseen": "",
    "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.",
    "published": "2025-10-10T04:52:17.112Z",
    "modified": "2025-10-10T04:52:17.112Z",
    "type": "cve",
    "title": "CVE-2025-61871",
    "source": "jpcert",
    "references": "https://www.buffalo.jp/news/detail/20251009-01.html\nhttps://jvn.jp/en/jp/JVN69099112/",
    "id": "CVE-2025-61871",
    "bulletinFamily": "",
    "cwe": [
        "CWE-428"
    ],
    "cvelist": null,
    "sourceData": "BUFFALO INC. NAS Navigator2 (Windows version only) prior to Ver.3.12.0",
    "sourceHref": "",
    "cvss": {
        "score": 8.4,
        "severity": "HIGH",
        "vector": "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",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "NAS Navigator2 (Windows version only)",
    "version": "prior to Ver.3.12.0",
    "vendor": "BUFFALO INC.",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}