CVE-2016-3949: Undefined Security Weakness

Siemens SIMATIC S7-300 Profinet-enabled CPU devices with firmware before 3.2.12 and SIMATIC S7-300 Profinet-disabled CPU devices with firmware before 3.3.12 allow remote attackers to cause a denial of service defect-mode transition via crafted 1 ISO-TSAP or 2 Profibus packets...