Siemens SIMATIC
Summary
Siemens SIMATIC S7-1500 devices are vulnerable to code injection via specially crafted trace files imported through the web interface. This vulnerability, identified as CVE-2025-40943, requires tricking a legitimate user into importing the malicious file. Siemens has released updated versions for many affected products and advises specific countermeasures for others.
IFF Assessment
The vulnerability allows an attacker to inject code into industrial control systems, posing a significant risk to operational integrity and safety.
Severity
Defender Context
This vulnerability impacts industrial control systems (ICS) and operational technology (OT) environments, which are critical infrastructure. Defenders must prioritize patching affected Siemens SIMATIC devices or implementing the provided workarounds to prevent potential code injection and disruption of industrial processes.