Vulnerability in Gs Yuasa International Ltd. Fullback Manager Pro For Network (For Windows)

CVE-2025-66461

FULLBACK Manager Pro provided by GS Yuasa International Ltd. registers two Windows services with unquoted file paths. A user may execute arbitrary code with SYSTEM privilege if he/she has the write permission on the path to the directory where the affected product is installed.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (3.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-66461: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-66461?
CVE-2025-66461 is a medium-severity vulnerability in Gs Yuasa International Ltd. Fullback Manager Pro For Network (For Windows), classified under Unquoted Search Path or Element. CVSS score: 6.7/10. Published 2025-12-08.
How severe is CVE-2025-66461?
Medium severity. CVSS v3 base score is 6.7 out of 10.