Improper quotation in search paths in the Eaton UPS Companion software installer could lead to arbitrary code execution of an attacker with the access to the file system. This security issue has been fixed in the latest version of EUC which is available on the Eaton download center.
Conclusion & alert: CVE-2025-59888 is rated Low Risk (27.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.01%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-12-26 | — | 0.01% | — |
Full EPSS history (1 record total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.7 | 3.1 | MEDIUM |
|
0.8 | 5.3 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| eaton | ups_companion | < 3.0 | cpe:2.3:a:eaton:ups_companion:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/etn-va-2025-1026.pdf | Patch Vendor Advisory |