Serial number: AV26–417
Date: May 4, 2026
Between April 27 and May 3, 2026, CISA published ICS advisories to address vulnerabilities in the following products:
- ABB AWIN Gateways – multiple firmware versions
- ABB Ability OPTIMAX – multiple versions and models
- ABB Ability Symphony Plus Engineering – multiple versions and models
- ABB Edgenius Management Portal – versions 3.2.0.0 and 3.2.1.1
- ABB PCM600 – versions 1.5 to 2.13
- ABB System 800xA, Symphony Plus IEC 61850 – multiple firmware versions
- NSA GRASSMARLIN – all versions
The Cyber Centre encourages users and administrators to review the provided web link, perform the suggested mitigations and apply the necessary updates if available.