Junglewise Threat Intelligence

CVE-2025-55222: A denial of service vulnerability exists in the Modbus TCP and Modbus RTU over TCP USB Function functionality of Socomec DIRIS Digiware M-70

CVE-2025-55222 · Severity: high · CVSS 8.6 · Published 2025-12-01

Technologies: Socomec Diris M-70, Socomec Diris M-70 Firmware. Vendors: Socomec.

Executive brief

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.

Affected products

  • socomec diris_m-70
  • socomec diris_m-70_firmware

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