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Critical · 9.1 CVE-2025-7390 EUVD-2025-25419GHSA-6g5p-c2f9-9435

Bypass the client certificate trust check of an opc.https server while only secure communication is allowed

Published Aug 21, 2025 · Updated Mar 27, 2026 · Assigned by Softing

Description

A malicious client can bypass the client certificate trust check of an opc.https server when the server endpoint is configured to allow only secure communication.

Affected products

VendorProductAffectedFixed
Softing OPC UA C++ SDK 6.40 – ≤ 6.80 6.80.1
Softing edgeConnector ≤ 2025.03 SDEX Suite V1.0
Softing edgeAggregator ≤ 2025.03 SDEX Suite V1.0

References