ABB M2M Ethernet Network Analyzer Cybersecurity Advisory

This document is a cybersecurity advisory from ABB regarding a vulnerability in the M2M Ethernet Network Analyzer (FW ver. 2.22 and earlier) that allows an unauthenticated attacker to upload arbitrary language files, potentially causing device misconfiguration or denial of service. ABB will not release a firmware fix but provides updated manual instructions for secure operation and recommends network isolation and firewall protections as mitigating factors.