{"SIMATIC S7-200 SMART CPU Firmware Vulnerability Could Lead to Denial of Service","SIMATIC S7-200 SMART CPU Affected by TCP Packet Structure Error","Unplugging Network Cable Can Restore Normal Operations for SIMATIC S7-200 SMART CPU"}

CVE-2024-43647

Summary

A vulnerability exists in multiple versions of Siemens' SIMATIC S7-200 SMART CPU models due to improper handling of TCP packets with incorrect structures. This flaw can be exploited by an unauthenticated remote attacker to trigger a Denial of Service condition, leading to device unavailability. The only way to restore normal operations is to unplug and re-plug the network cable of the affected device. Users are advised to take necessary precautions to safeguard their networks and mitigate potential risks associated with this vulnerability.

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