{"id":"CVE-2025-61871","aliases":["EUVD-2025-33659","GHSA-6348-w693-wj25"],"status":"published","title":"NAS Navigator2 Windows version by BUFFALO INC. registers a Windows service with an unquoted file...","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.","severity":{"version":"4.0","score":8.4,"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00168,"percentile":0.06144,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-428"],"published":"2025-10-10T04:52:17Z","modified":"2026-10-08T13:10:00Z","products":[{"vendor":"buffalo inc.","product":"nas navigator2 (windows version only)"}],"references":[{"url":"https://www.buffalo.jp/news/detail/20251009-01.html"},{"url":"https://jvn.jp/en/jp/JVN69099112/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-61871"},{"url":"https://jvn.jp/en/jp/JVN69099112"},{"url":"https://github.com/advisories/GHSA-6348-w693-wj25"}],"sources":{"cve":[{"id":"CVE-2025-61871","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.","status":"published","published":"2025-10-10T04:52:17.112Z","modified":"2025-10-10T18:32:49.428Z","cvss":[{"version":"4.0","score":8.4,"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","level":"high","assessor":"cna"},{"version":"3.0","score":6.7,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-428"],"updated_at":"2026-11-02T14:32:44.763463Z"}],"euvd":[{"id":"EUVD-2025-33659","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.","status":"published","published":"2025-10-10T04:52:17Z","modified":"2025-10-10T18:32:49Z","cvss":[{"version":"4.0","score":8.4,"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","level":"high"}],"updated_at":"2026-11-02T20:31:33.954405Z"}],"ghsa":[{"id":"GHSA-6348-w693-wj25","title":"NAS Navigator2 Windows version by BUFFALO INC. registers a Windows service with an unquoted file...","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.","status":"published","published":"2025-10-10T06:30:55Z","modified":"2025-10-10T06:30:55Z","cvss":[{"version":"4.0","score":8.4,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.0","score":6.7,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-428"],"updated_at":"2026-11-02T15:03:55.615501Z"}],"nvd":[{"id":"CVE-2025-61871","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.","status":"published","published":"2025-10-10T05:15:33.587Z","modified":"2026-10-08T13:10:00.2Z","cvss":[{"version":"4.0","score":8.4,"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.0","score":6.7,"vector":"CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-428"],"updated_at":"2026-11-02T14:11:36.851295Z"}]}}