CVE-2025-40944

CVE-2025-40944 affects Siemens SIMATIC devices (ET 200AL/200SP/200MP families, SIPLUS variants, PN/PN couplers, etc.). The issue arises from improper handling of S7 protocol Disconnect Requests (COTP DR TPDU) on TCP port 102, causing devices to enter an improper session state and potentially beco...