Rockwell Automation ControlLogix 5580 NULL Pointer Dereference (CVE-2025-9166)

high Tenable OT Security Plugin ID 503353

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A denial-of-service security issue exists in the affected product and version.
The security issue stems from the controller repeatedly attempting to forward messages.
The issue could result in a major nonrecoverable fault on the controller.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Rockwell Automation recommends users to update to version 35.014 or later if possible.
If users of the affected software are unable to upgrade the version, security best practices should be applied.

For more information about this issue, please see the advisory on the Rockwell Automation security page.

See Also

http://www.nessus.org/u?d21b1d15

https://www.cisa.gov/news-events/ics-advisories/icsa-25-252-07

Plugin Details

Severity: High

ID: 503353

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 10/3/2025

Updated: 10/3/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v3

Risk Factor: High

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:/o:rockwellautomation:compactlogix_5380_firmware

Required KB Items: Tenable.ot/Rockwell

Exploit Ease: No known exploits are available

Patch Publication Date: 9/9/2025

Vulnerability Publication Date: 9/9/2025

Reference Information

CVE: CVE-2025-9166

CWE: 476

ICSA: 25-252-07