SB2026011619 - Multiple vulnerabilities in EATON UPS Companion

Description

This security bulletin contains information about 2 vulnerabilities.

1) Insecure DLL loading (CVE-ID: CVE-2025-59887)

CWE-ID: CWE-427 - Uncontrolled Search Path Element

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to improper authentication of library files. A remote attacker can place a specially crafted .dll file and execute arbitrary code with elevated privileges on the target system.

2) Unquoted Search Path or Element (CVE-ID: CVE-2025-59888)

CWE-ID: CWE-428 - Unquoted Search Path or Element

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to unquoted search path or element. A local administrator can execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://jvn.jp/en/jp/JVN48187396/index.html
• https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/etn-va-2025-1026.pdf