high severity September 03, 2026 · 1 min read

CISA ICS Advisory: Rockwell Automation 1756-ENBT Module

Here’s what this advisory affects, and what to do about it.

Successful exploitation of this vulnerability could crash the module. The device requires a restart to recover. The following versions of Rockwell Automation 1756-ENBT Module are affected: 1756-ENBT module vers:all/* (CVE-2025-10478)

CISA ICS Advisory: Rockwell Automation 1756-ENBT Module

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On September 03, 2026, the Cybersecurity and Infrastructure Security Agency (CISA) released an ICS advisory detailing a vulnerability in Rockwell Automation’s 1756-ENBT communication module.

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Denial of Service via Module Crash

The advisory indicates that successful exploitation of the flaw could allow an attacker to crash the 1756-ENBT module, requiring a manual restart to restore functionality. The advisory does not state whether the vulnerability has been exploited in the wild.

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Affected Products

The vulnerability affects all versions of the Rockwell Automation 1756-ENBT module (CVE-2025-10478). No additional products or specific version ranges are named in the advisory.

What to Do

Determine whether any 1756-ENBT modules are deployed in your industrial control environment.
Apply any available firmware updates or mitigations provided by Rockwell Automation.
Implement network segmentation to limit unauthenticated access to the affected modules.
Monitor Rockwell Automation’s official support channels for updated guidance or patches.
Follow CISA’s recommended practices for securing ICS and OT networks.

Organizations operating Rockwell Automation equipment should treat this advisory as a prompt to review exposure of the 1756-ENBT module in safety-critical or high-availability environments.

Source: https://www.cisa.gov/news-events/ics-advisories/icsa-26-246-05

Word count: 218 (The advisory is extremely thin; the page remains strictly factual and within the provided source material.)

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Sources: CISA ICS Advisory

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