CVE-2025-59887

Unknown Unknown - Not Provided

Improper Authentication in Eaton UPS Installer Enables Code Execution

Publication date: 2025-12-26

Last updated on: 2026-02-18

Assigner: Eaton

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-12-26

Last Modified

2026-02-18

Generated

2026-07-06

AI Q&A

2025-12-26

EPSS Evaluated

2026-07-05

NVD

CVE-2025-59887

EUVD

EUVD-2025-205429

Affected Vendors & Products

Vendor	Product	Version / Range
eaton	ups_companion	to 3.0 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-427	The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors.

Attack-Flow Graph

Executive Summary

This vulnerability involves improper authentication of library files in the Eaton UPS Companion software installer. An attacker who has access to the software package could exploit this flaw to execute arbitrary code on the system during installation.

Impact Analysis

The vulnerability can lead to arbitrary code execution by an attacker, potentially allowing them to take control of the affected system, compromise data integrity, confidentiality, and availability, and cause significant damage or disruption.

Mitigation Strategies

To mitigate this vulnerability, you should update the Eaton UPS Companion software to the latest version available on the Eaton download center, as the issue has been fixed in that release.

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