Rockwell Automation CompactLogix Improper Validation of Integrity Check Value (CVE-2025-11694)

high Tenable OT Security Plugin ID 505884

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A security issue exists within the affected CompactLogix 5370 controllers due to missing validation of sequence numbers and source IP addresses in the CIP protocol. An attacker can abuse the exposed Connection IDs visible on the controller's web interface to send forged CIP packets, resulting in a minor fault and a denial-of-service condition.

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Solution

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

Plugin Details

Severity: High

ID: 505884

File Name: tenable_ot_rockwell_CVE-2025-11694.nasl

Version: 1.3

Type: Remote

Family: Tenable.ot

Published: 7/29/2026

Updated: 7/30/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: High

Base Score: 8.7

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Vulnerability Information

CPE: cpe:/o:rockwellautomation:compactlogix_5370_l1_firmware, cpe:/o:rockwellautomation:compactlogix_5370_l2_firmware, cpe:/o:rockwellautomation:compactlogix_5370_l3_firmware

Required KB Items: Tenable.ot/Rockwell

Exploit Ease: No known exploits are available

Patch Publication Date: 6/16/2026

Vulnerability Publication Date: 6/16/2026

Reference Information

CVE: CVE-2025-11694

CWE: 354

ICSA: 26-167-04

Detections

Analytics