CVE-2025-55221
Socomec DIRIS Digiware M-70 Modbus TCP Denial of Service 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.
INFO
Published Date :
Dec. 1, 2025, 4:15 p.m.
Last Modified :
Dec. 5, 2025, 8:47 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2025-55221
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | HIGH | [email protected] | ||||
| CVSS 3.1 | HIGH | MITRE-CVE | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update Socomec DIRIS Digiware M-70 firmware to the latest version.
- Implement network segmentation for Modbus traffic.
- Apply firewall rules to restrict access to port 502.
- Monitor network traffic for suspicious Modbus activity.
Public PoC/Exploit Available at Github
CVE-2025-55221 has a 1 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-55221.
| URL | Resource |
|---|---|
| https://talosintelligence.com/vulnerability_reports/TALOS-2025-2251 | Vendor Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-55221 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-55221
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
A high-performance, asynchronous SCADA/ICS scanner
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Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-55221 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-55221 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Dec. 05, 2025
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added CPE Configuration AND OR *cpe:2.3:o:socomec:diris_m-70_firmware:1.6.9:*:*:*:*:*:*:* OR cpe:2.3:h:socomec:diris_m-70:-:*:*:*:*:*:*:* Added Reference Type Talos: https://talosintelligence.com/vulnerability_reports/TALOS-2025-2251 Types: Vendor Advisory -
New CVE Received by [email protected]
Dec. 01, 2025
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H Added CWE CWE-306 Added Reference https://talosintelligence.com/vulnerability_reports/TALOS-2025-2251