1. Home
  2. CVE Database
  3. CVE-2025-55221
HIGH · 8.6

CVE-2025-55221

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 den...

Vulnerability 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 Score

8.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
SocomecDiris M-70 Firmware1.6.9
SocomecDiris M-70-

Related Weaknesses (CWE)

CWE-306

References

FAQ

What is CVE-2025-55221?

CVE-2025-55221 is a vulnerability with a CVSS score of 8.6 (HIGH). 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 den...

How severe is CVE-2025-55221?

CVE-2025-55221 has been rated HIGH with a CVSS base score of 8.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-55221?

Check the references section above for vendor advisories and patch information. Affected products include: Socomec Diris M-70 Firmware, Socomec Diris M-70.