Malformed Packet Causes PLC Crash
- Event Year
- 2002
- Reliability
- Likely But Unconfirmed
- Country
- United States
- Industry
- Unknown
Description
There was some new security software that sent a malformed “ICMP redirect” packet to all the TCP/IP devices in the system. Older PLC-5E controllers have a firmware weakness that can make them fault if they receive this kind of packet from a misconfigured router or a security scanner.