Delta Electronics DVP15MC11T lacks proper validation of the modbus/tcp packets and can lead to denial of service.

A denial of service vulnerability exists in Delta Electronics DIAEnergie v1.10.1.8610 and prior. When processing an 'ICS Restart!' message, CEBC.exe restarts the system.

DVP-12SE11T - Denial of Service Vulnerability

Delta Electronics AS320T has denial of service via the undocumented subfunction vulnerability.

DVP80ES3 with  Improper Resource Shutdown or Release vulnerability.

Delta Electronics COMMGR2 has Buffer Over-read DoS vulnerability.

A vulnerability has been found in Delta Electronics DVP32ES2 PLC 1.48 and classified as critical. This vulnerability affects unknown code of the component Password Transmission Handler. The manipulation leads to denial of service. The exploit has been disclosed to the public and may be used. VDB-241582 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

DVP80ES300T with Improper Validation of Array Index Vulnerability

Rockwell Automation was made aware that the webservers of the Micrologix 1100 and 1400 controllers contain a vulnerability that may lead to a denial-of-service condition. The security vulnerability could be exploited by an attacker with network access to the affected systems by sending TCP packets to webserver and closing it abruptly which would cause a denial-of-service condition for the web server application on the device