Advisories › Rockwell Automation › ICSA-26-246-05

Rockwell Automation 1756-ENBT Module: 1 CVE, High 7.5

High 7.5 Oil & gas relevant ICSA-26-246-05 · Published Sep 3, 2026

Summary

CISA reports 1 vulnerability in Rockwell Automation 1756-ENBT module. Weakness type: Improper Check for Unusual or Exceptional Conditions. Successful exploitation of this vulnerability could crash the module. The device requires a restart to recover. Highest CVSS v3 score: 7.5 (High), exploitable over the network.

What to do: Prioritize: Rockwell Automation recommends that users upgrade to 1756-EN2T or 1756-EN4TR. Users who are not able to upgrade should use Rockwell Automation's security best practices.
Why this matters for oil & gas: Rockwell Automation (ControlLogix, FactoryTalk, PlantPAx) is common on facilities and compressor stations.

At a glance

Vendor
Rockwell Automation
Products
1756-ENBT module
CVEs
CVE-2025-10478
Highest CVSS v3
7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Highest CVSS v4
–
Known exploited (KEV)
No CVE from this advisory is on the KEV list as of the last refresh
Sectors (per CISA)
Critical Manufacturing, Food and Agriculture, Transportation Systems, Water and Wastewater
Deployed
Worldwide
Vendor HQ
United States

Vulnerabilities

CVEWeaknessCVSS v3CVSS v4KEVDescription (from advisory)
CVE-2025-10478Improper Check for Unusual or Exceptional Conditions7.5–NoA denial-of-service security issue exists in the Rockwell Automation 1756-ENBT module which is a ControlLogix EtherNet/IP bridge that enables communication between Logix 5000 controllers and Ethernet devices. An attacker could exploit this vulnerability by sending a crafted CIP packet, causing the module to crash. The device requires a restart to recover.

Affected products (1)

Vendor fixes and mitigations (from advisory)

Also apply CISA's standard ICS practices: minimize network exposure, keep control networks behind firewalls and isolated from business networks, and use up-to-date secure remote access.

Sources

This page is generated automatically from the CISA advisory text. It is not a substitute for the vendor's guidance; verify affected versions and fixes at the source before making changes to control systems.

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