---
id: CVE-2025-12012
title: "A denial-of-service issue exists in\_5380/5480/5580\_controllers.\_This vulnerability could potentially allow a malicious user to write invalid file data to the controller, causing the device to\_enter a major non-recoverable fault (MNRF)."
summary: "A denial-of-service issue exists in\_5380/5480/5580\_controllers.\_This vulnerability could potentially allow a malicious user to write invalid file data to the controller, causing the device to\_enter a major non-recoverable fault (MNRF)."
severity: none
cwe:
  - CWE-120
published: '2026-07-14'
updated: '2026-09-29'
sourceUpdated: '2026-09-29T15:10:00.193'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-12012'
references:
  - url: >-
      https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1781.html
    label: PSIRT@rockwellautomation.com
tags:
  - nvd
epss: 0.00428
epssPercentile: 0.34574
ingestedAt: '2026-09-29T16:39:33.226Z'
---

## Overview

A denial-of-service issue exists in 5380/5480/5580 controllers. This vulnerability could potentially allow a malicious user to write invalid file data to the controller, causing the device to enter a major non-recoverable fault (MNRF).

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.