Vulnerability in Siemens SIMATIC S7-300 and S7-400 CPU Families
CVE-2016-9158

7.5HIGH

Key Information:

Vendor: Siemens
Status: Simatic S7-300 Cpu Family; Simatic S7-300 Cpu Family (incl. Related Et200 Cpus And Siplus Variants); Simatic S7-400 Pn/dp V6 And Below Cpu Family (incl. Siplus Variants); Simatic S7-400 Pn/dp V7 Cpu Family (incl. Siplus Variants)
Vendor: CVE Published:; 17 December 2016

What is CVE-2016-9158?

A vulnerability has been found in the Siemens SIMATIC S7-300 and S7-400 CPU families, affecting all versions. This issue arises when specially crafted packets are sent to port 80/tcp, potentially causing the affected devices to enter a defect mode. Recovery of the system is only possible through a cold restart, leading to significant downtime and potential operational disruptions.

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