BaseFortify

Publication date: 2025-12-01

Last updated on: 2025-12-05

Assigner: Talos

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.

CVSS Scores

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Meta Information

Published

2025-12-01

Last Modified

2025-12-05

Generated

2026-07-06

AI Q&A

2025-12-01

EPSS Evaluated

2026-07-05

NVD

CVE-2025-55221

EUVD

EUVD-2025-200036

Affected Vendors & Products

Vendor	Product	Version / Range
socomec	diris_m-70_firmware	1.6.9
socomec	diris_m-70	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-306	The product does not perform any authentication for functionality that requires a provable user identity or consumes a significant amount of resources.

Attack-Flow Graph

Executive Summary

This vulnerability is a denial of service issue in the Modbus TCP and Modbus RTU over TCP USB Function of Socomec DIRIS Digiware M-70 version 1.6.9. An attacker can send a specially crafted, unauthenticated network packet via Modbus TCP on port 502 to trigger the vulnerability, causing the device to become unavailable or unresponsive.

Impact Analysis

The impact of this vulnerability is a denial of service (DoS), meaning an attacker can disrupt the normal operation of the affected device by making it unavailable or unresponsive. This could lead to interruptions in monitoring or control functions that rely on the Socomec DIRIS Digiware M-70 device.

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