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CVE-2025-59888VulnerabilityPublished Updated

CVE-2025-59888: Eaton UPS Companion software · Unquoted Search Path or Element

Affects Eaton UPS Companion softwareSource CVE Database V5

0

Not known to be exploited · CVSS 6.7 Medium.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
6.7Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 8% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Dec 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
Eaton UPS Companion softwareAffected
  • =0
Fixed in–

AI-suggested

European organizations should take the following specific mitigation steps: 1) Immediately update the Eaton UPS Companion software to the latest version available from Eaton’s official download center, as this version includes the fix for CVE-2025-59888. 2) Restrict local administrative access to systems running the UPS Companion software to trusted personnel only, minimizing the risk of malicious code placement in the search path. 3) Implement application whitelisting and endpoint protection solutions that can detect and block unauthorized executables from running, especially in directories included in system search paths. 4) Conduct regular audits of installed software and their versions to ensure timely patching of known vulnerabilities. 5) Monitor system logs and file system changes for suspicious activity indicative of attempts to exploit unquoted search path vulnerabilities. 6) Educate IT staff about the risks of unquoted search path vulnerabilities and the importance of secure installation practices. 7) Where feasible, run the installer and related software with the least privilege necessary to reduce the impact of potential exploitation. These measures, combined with Eaton’s patch, will significantly reduce the risk posed by this vulnerability.

Description

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.

References

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