Denial of Service Vulnerability in Socomec DIRIS Digiware M-70
CVE-2025-55221

8.6HIGH

Key Information:

Vendor

Socomec

Status
Diris Digiware M-70
Vendor
CVE Published:
1 December 2025

What is CVE-2025-55221?

A denial of service vulnerability exists in the Modbus TCP and Modbus RTU over TCP USB Functionality of the Socomec DIRIS Digiware M-70 version 1.6.9. This vulnerability arises when a specially crafted network packet is sent to the device, potentially causing a disruption in its services. An attacker can exploit this flaw by sending an unauthenticated packet over Modbus TCP, specifically on port 502, which could lead to a service outage for the affected device. Protecting against this vulnerability requires monitoring network traffic and implementing robust firewall rules.

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Affected Version(s)

DIRIS Digiware M-70 1.6.9

References

https://talosintelligence.com/vulnerability_reports/TALOS...

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Discovered by Kelly Patterson of Cisco Talos.
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