CVE-2022-41666: Schneider Electric Ecostruxure Operator Terminal Expert

High severity, CVSS 7.8. EPSS: 0.1% chance of exploitation in the next 30 days.

A CWE-347: Improper Verification of Cryptographic Signature vulnerability exists that allows adversaries with local user privileges to load a malicious DLL which could lead to execution of malicious code. Affected Products: EcoStruxure Operator Terminal Expert(V3.3 Hotfix 1 or prior), Pro-face BLUE(V3.3 Hotfix1 or prior).

Affected products

• Schneider Electric Ecostruxure Operator Terminal Expert: before 3.3 (fixed in 3.3); version 3.3 only
• Schneider Electric Pro-Face Blue: before 3.3 (fixed in 3.3); version 3.3 only

Published 2022-11-04. Last modified 2026-06-17.