A vulnerability has been identified in SCALANCE W1788-1 M12 (All versions < V3.0.0) SCALANCE W1788-2 EEC M12 (All versions < V3.0.0) SCALANCE W1788-2 M12 (All versions < V3.0.0) SCALANCE W1788-2IA M12 (All versions < V3.0.0). Affected devices do not properly handle resources of ARP requests. This could allow an attacker to cause a race condition that leads to a crash of the entire device.