Buffer overflow in the TFTPD service in Serva32 2.1.0 allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long string in a read request.
Triangle Research International Nano-10 PLC <r81 - DoS
Triangle Research International (aka Tri) Nano-10 PLC devices with firmware before r81 use an incorrect algorithm for bounds checking of data in Modbus/TCP packets, which allows remote attackers to cause a denial of service (networking outage) via a crafted packet to TCP port 502.