News·Industrial & OTCriticalSiemens SCALANCE Industrial Ethernet Switches Flaw Enables Unauthenticated Remote Firmware Manipulation and Purdue Level 2 Isolation Breakdown (CVE-2026-68840)Siemens issues critical ProductCERT advisory for SCALANCE X industrial switches where a cryptographic verification bypass allows remote unsigned firmware injection.CST Newsroom11 Oct 20269 min read