Affected devices contain a vulnerability that allows an unauthenticated attacker to trigger a denial of service condition. The vulnerability can be triggered if a large amount of DCP reset packets are sent to the device.

A vulnerability has been identified in Development/Evaluation Kits for PROFINET IO: DK Standard Ethernet Controller (All versions), Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200 (All versions), Development/Evaluation Kits for PROFINET IO: EK-ERTEC 200P (All versions), RUGGEDCOM RM1224 (All Versions < 6.4), SCALANCE M-800 (All Versions < 6.4), SCALANCE S615 (All Versions < 6.4), SCALANCE W1700 IEEE 802.11ac (All versions), SCALANCE W700 IEEE 802.11n (All versions), SCALANCE X200-4 P IRT (All Versions < V5.5.0), SCALANCE X201-3P IRT (All Versions < V5.5.0), SCALANCE X201-3P IRT PRO (All Versions < V5.5.0), SCALANCE X202-2 IRT (All Versions < V5.5.0), SCALANCE X202-2P IRT (incl. SIPLUS NET variant) (All Versions < V5.5.0), SCALANCE X202-2P IRT PRO (All Versions < V5.5.0), SCALANCE X204 IRT (All Versions < V5.5.0), SCALANCE X204 IRT PRO (All Versions < V5.5.0), SCALANCE X204-2 (incl. SIPLUS NET variant) (All versions), SCALANCE X204-2FM (All versions), SCALANCE X204-2LD (inc...