Medium severity · published Oct 10, 2025
CVE-2025-61871
NAS Navigator2 Windows version by BUFFALO INC
6.7
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 6% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NN
NAS Navigator2 (Windows version only) · BUFFALO INC.
prior to Ver.3.12.0 · source: vendor
Affected product
NN
NAS Navigator2 (Windows version only)
BUFFALO INC.