PT-2025-36724 · Rockwell Automation · 1756-En2Tr Communication Modules+1

Published 2025-09-09 · Updated 2025-09-09 · CVE-2025-8007

Positive Technologies (AI Summary)

CVSS v4.0

7.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: 1756-EN4TR communication modules 1756-EN2TR communication modules

Description: A security issue exists in the protected mode of the 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.

Recommendations: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2025-8007

Affected Products

1756-En2Tr Communication Modules

1756-En4Tr Communication Modules

References · 7

• https://rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1739.html · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2025-8007 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-8007 · Security Note
• https://twitter.com/CVEnew/status/1965402119072034957 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1965466592860307626 · Twitter Post
• https://t.me/CVEtracker/32070 · Telegram Post
• https://t.me/cveNotify/134748 · Telegram Post