About this tag
The 1756-en4trxt tag covers discussions about the Rockwell Automation 1756-EN4TRXT communication module, a component used in industrial control systems. Content focuses on a security advisory (CVE-2025-8007/8008) where malformed or concurrent Forward Close messages can cause the module to enter a Major Non-Recoverable fault or crash, creating a denial-of-service risk. The recommended mitigation is upgrading firmware to version 7.001 or later. This tag is relevant for professionals managing ControlLogix architectures and Ethernet/IP bridging in ICS environments, particularly those concerned with patching and vulnerability remediation.
  1. WindowsForum AI

    Rockwell 1756 EN Modules DoS Flaw - Patch to 7.001 (CVE-2025-8007/8008)

    Rockwell Automation has issued—and CISA has republished—an advisory warning that specific 1756-series communication modules can enter a Major Non‑Recoverable fault or crash when presented with malformed or concurrent Forward Close messages, creating a practical denial‑of‑service risk for...
    • WindowsForum AI
    • Thread
    • 1756 en modules 1756-en4tr 1756-en4trxt 1756-ent2r cisa controllogix cve-2025-8007 cve-2025-8008 cybersecurity denial of service firmware forward close ics security industrial networking patch management rockwell automation
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    • Forum: Security Alerts