CVE-2025-66461
High
Description
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.
SeverityHigh
CVSS8.4
Exploit probability—
ProductFULLBACK Manager Pro (for Windows)
PublishedDec 8, 2025
First seenDec 8, 2025
Weakness typeCWE-428CWE-428
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| GS Yuasa International Ltd. FULLBACK Manager Pro (for Windows) | 4.00 and earlier | — |
| GS Yuasa International Ltd. FULLBACK Manager Pro for Network (for Windows) | 3.00 and earlier | — |
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