VAR-202512-0181

Vulnerability from variot - Updated: 2025-12-18 19:40

A denial of service vulnerability exists in the Modbus TCP and Modbus RTU over TCP USB Function functionality of Socomec DIRIS Digiware M-70 1.6.9. A specially crafted network packet can lead to a denial of service. An attacker can send an unauthenticated packet to trigger this vulnerability.This vulnerability is specific to the malicious message sent via Modbus RTU over TCP on port 503. The Socomec DIRIS Digiware M-70 is a communication gateway device that serves as the access point for the DIRIS Digiware system, integrating 24VDC power and communication functions into a single unit.

The Socomec DIRIS Digiware M-70 contains a denial-of-service vulnerability stemming from the Modbus RTU over TCP USB function's failure to properly restrict resource access packets from unauthorized roles. An attacker could exploit this vulnerability to cause a denial-of-service attack

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