Siemens and CISA warned on May 12 and May 14, 2026, that SIMATIC CN 4100 communication nodes running versions before V5.0 contain multiple vulnerabilities, with Siemens releasing V5.0 and urging industrial operators worldwide to update affected deployments in critical manufacturing environments...
When assessing the cybersecurity landscape for industrial control systems (ICS), one of the most significant developments in recent months has centered on Siemens’ SIMATIC CN 4100 device. This network component, widely deployed across critical manufacturing sectors worldwide, has come under...
automation
cisa
critical infrastructure
cve-2025-40593
cybersecurity
denial of service
firmware
ics incident response
ics security
industrial control systems
legacy systems
network segmentation
operational security
ot security
patch management
security best practices
siemens
simaticcn4100
vulnerability management