UPS Companion software vulnerability

Due to insecure library loading in the Eaton UPS Companion software executable, an attacker with access to the software package could perform arbitrary code execution . This security issue has been fixed in the latest version of EUC which is available on the Eaton download center.

Published 26 Dec 2025Updated 6 Oct 20261 sources
CVSS 7.8

What happened

Due to insecure library loading in the Eaton UPS Companion software executable, an attacker with access to the software package could perform arbitrary code execution . This security issue has been fixed in the latest version of EUC which is available on the Eaton download center.

Affected versions

UPS Companion software: before 3.0 (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.