5.9 Medium

Eaton easySoft improperly validates TLS certificates presented by easyE4 devices.

CVE-2026-41022

Eaton easySoft improperly validates TLS certificates presented by easyE4 devices. A network-adjacent attacker could exploit this weakness to perform a man-in-the-middle attack and potentially intercept or modify communications between easySoft and easyE4.

Assessment

CVSS: 5.9 (v3.1)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 27 October 2026
Last updated: 27 October 2026
Weakness: CWE-295
Assigner: CybersecurityCOE@eaton.com

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

At the source

References

https://www.eaton.com/content/dam/eaton/company/news-insights/cybersecurity/security-bulletins/eaton-va-2026-1017.pdf

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