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High 8.4Published Oct 10, 2025
CVE-2025-61871NAS Navigator2 Windows version by BUFFALO INC.
Updated under an hour ago ()
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It affects BUFFALO INC. NAS Navigator2 (Windows version only). Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 8.4 HIGH (v4.0, CNA)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
- Weakness (CWE)
- CWE-428
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- jpcert
- NVD analysis
- Deferred
- Record last updated
- Oct 10, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
BUFFALO INC. NAS Navigator2 (Windows version only) buffalo:nas_navigator2_windows_version_only (from the name) | prior to Ver.3.12.0 | CNA record |
References
- https://www.buffalo.jp/news/detail/20251009-01.html
- https://jvn.jp/en/jp/JVN69099112/
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.