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.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-27254 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.
Fixes

Solution

Version 7.001 or later


Workaround

No workaround given by the vendor.

History

Wed, 17 Sep 2025 16:00:00 +0000

Type Values Removed Values Added
First Time appeared Rockwellautomation 1756-en2tr Series A
Rockwellautomation 1756-en2tr Series A Firmware
Rockwellautomation 1756-en2tr Series B
Rockwellautomation 1756-en2tr Series B Firmware
Rockwellautomation 1756-en2tr Series C
Rockwellautomation 1756-en2tr Series C Firmware
Rockwellautomation 1756-en4tr Firmware
Rockwellautomation 1756-en4trxt Firmware
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:h:rockwellautomation:1756-en2tr_series_a:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:1756-en2tr_series_b:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:1756-en2tr_series_c:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:1756-en4tr:-:*:*:*:*:*:*:*
cpe:2.3:h:rockwellautomation:1756-en4trxt:-:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:1756-en2tr_series_a_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:1756-en2tr_series_b_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:1756-en2tr_series_c_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:1756-en4tr_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:1756-en4trxt_firmware:*:*:*:*:*:*:*:*
Vendors & Products Rockwellautomation 1756-en2tr Series A
Rockwellautomation 1756-en2tr Series A Firmware
Rockwellautomation 1756-en2tr Series B
Rockwellautomation 1756-en2tr Series B Firmware
Rockwellautomation 1756-en2tr Series C
Rockwellautomation 1756-en2tr Series C Firmware
Rockwellautomation 1756-en4tr Firmware
Rockwellautomation 1756-en4trxt Firmware
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}


Tue, 09 Sep 2025 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Rockwellautomation
Rockwellautomation 1756-en4tr
Rockwellautomation 1756-en4trxt
Rockwellautomation 1756-ent2r
Vendors & Products Rockwellautomation
Rockwellautomation 1756-en4tr
Rockwellautomation 1756-en4trxt
Rockwellautomation 1756-ent2r

Tue, 09 Sep 2025 14:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 09 Sep 2025 12:45:00 +0000

Type Values Removed Values Added
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.
Title Rockwell Automation 1756-ENT2R, EN4TR, EN4TRXT Vulnerability
Weaknesses CWE-20
References
Metrics cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Rockwell

Published:

Updated: 2025-09-09T13:14:24.284Z

Reserved: 2025-07-21T19:51:15.206Z

Link: CVE-2025-8007

cve-icon Vulnrichment

Updated: 2025-09-09T13:14:18.463Z

cve-icon NVD

Status : Analyzed

Published: 2025-09-09T13:15:32.143

Modified: 2025-09-17T15:47:58.823

Link: CVE-2025-8007

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-09-09T21:31:11Z