CVE-2025-8007

MEDIUM

Rockwell Automation 1756-EN2TR/EN4TR <7.001 DoS via Concurrent Forward Close

Title source: llm

Description

A security issue exists in the protected mode of 1756-EN4TR and 1756-EN2TR communication modules, where a Concurrent Forward Close operation can trigger a Major Non-Recoverable (MNFR) fault. This condition may lead to unexpected system crashes and loss of device availability.

References (1)

Core 1

Core References

Vendor Advisory

https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1739.html

Scores

CVSS v3 6.5

EPSS 0.0006

EPSS Percentile 18.0%

Attack Vector ADJACENT_NETWORK

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-20

Status published

Products (5)

rockwellautomation/1756-en2tr_series_a_firmware < 7.001

rockwellautomation/1756-en2tr_series_b_firmware < 7.001

rockwellautomation/1756-en2tr_series_c_firmware < 7.001

rockwellautomation/1756-en4tr_firmware < 7.001

rockwellautomation/1756-en4trxt_firmware < 7.001

Published Sep 09, 2025

Tracked Since Feb 18, 2026