Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-8007

Severity CVSS v4.0:
HIGH
Type:
CWE-20 Input Validation
Publication date:
09/09/2025
Last modified:
17/09/2025

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.

Impact

Vector 4.0
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 CVSS v4.0 Severity and Metrics:

Base Score: 7.10 HIGH
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

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): None
Integrity (VI): None
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): None

Base Score 4.0
7.10
Severity 4.0
HIGH
Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.50 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
6.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:rockwellautomation:1756-en2tr_series_a_firmware:*:*:*:*:*:*:*:* 7.001 (excluding)
cpe:2.3:h:rockwellautomation:1756-en2tr_series_a:-:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:1756-en2tr_series_b_firmware:*:*:*:*:*:*:*:* 7.001 (excluding)
cpe:2.3:h:rockwellautomation:1756-en2tr_series_b:-:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:1756-en2tr_series_c_firmware:*:*:*:*:*:*:*:* 7.001 (excluding)
cpe:2.3:h:rockwellautomation:1756-en2tr_series_c:-:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:1756-en4tr_firmware:*:*:*:*:*:*:*:* 7.001 (excluding)
cpe:2.3:h:rockwellautomation:1756-en4tr:-:*:*:*:*:*:*:*
cpe:2.3:o:rockwellautomation:1756-en4trxt_firmware:*:*:*:*:*:*:*:* 7.001 (excluding)
cpe:2.3:h:rockwellautomation:1756-en4trxt:-:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools