Vulnerability in SIMATIC S7-300 and S7-400 CPUs allows for Defect Mode via Specially Crafted Packets

CVE-2016-9158 · HIGH Severity

AV:N/AC:L/AU:N/C:N/I:N/A:C

A vulnerability has been identified in SIMATIC S7-300 CPU family (All versions), SIMATIC S7-300 CPU family (incl. related ET200 CPUs and SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V6 and below CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 PN/DP V7 CPU family (incl. SIPLUS variants) (All versions), SIMATIC S7-400 V6 and earlier CPU family (All versions), SIMATIC S7-400 V7 CPU family (All versions). Specially crafted packets sent to port 80/tcp could cause the affected devices to go into defect mode. A cold restart is required to recover the system.

Learn more about our Web Application Penetration Testing UK.