CVE-2025-55221

HighCVSS 7.5/10Last modified Sep 26, 2026

Description

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 TCP over port 502.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-306

Affected software

No affected versions have been published.

Timeline

Published: Dec 1, 2025
Last modified: Sep 26, 2026
NVD status: Analyzed

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