CVE-2025-59887

HIGH

Eaton UPS Companion - RCE

Title source: llm

Description

Improper authentication of library files in the Eaton UPS Companion software installer could lead to arbitrary code execution of an attacker with the access to the software package. This security issue has been fixed in the latest version of EUC which is available on the Eaton download center.

References (1)

[Various Sources] https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/etn-va-2025-1026.pdf

Scores

CVSS v3 8.6

EPSS 0.0001

EPSS Percentile 1.2%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Classification

CWE

CWE-427

Status published

Affected Products (1)

eaton/ups_companion < 3.0

Timeline

Published Dec 26, 2025

Tracked Since Feb 18, 2026