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 malformed TCP packets received over the RemoteCapture feature. This could allow an attacker to lead to a denial of service condition which only affects the port used by the RemoteCapture feature.
https://cert-portal.siemens.com/productcert/pdf/ssa-392912.pdf