CVE-2012-3017 (simatic_s7-400_cpu_414-3_pn/dp, simatic_s7-400_cpu_416-3_pn/dp, simatic_s7-400_cp...)

Siemens SIMATIC S7-400 PN CPU devices with firmware 5.x allow remote attackers to cause a denial of service (defect-mode transition and service outage) via (1) malformed HTTP traffic or (2) malformed IP packets.