[Control systems] ABB security advisory (AV26-055)

Serial number: AV26-055
Date: January 26, 2026

On January 23, 2026, ABB published a security advisory to address a vulnerability in the following products:

• ABB 800xA Base – version 6.0.3-9 and prior
• ABB 800xA Base – version 6.1.1-2 and prior

The Cyber Centre encourages users and administrators to review the provided web links and perform the suggested mitigations.

• System 800xA SECURITY Advisory - ABB 800xA Base 6.0.x, 6.1.x CSLib communication DoS vulnerability CVE ID: CVE-2024-3036
• ABB Cyber security alerts and notifications