[Control systems] ABB security advisory (AV25-441)

Serial number: AV25-441
Date: July 22, 2025

On July 21, 2025, ABB published a security advisory to address a vulnerability VulnerabilityA flaw or weakness in the design or implementation of an information system or its environment that could be exploited to adversely affect an organization's assets or operations. in the following products:

• ABB Switch Actuator 4 DU – all versions
• ABB Switch actuator, door/light 4 DU – all versions

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

• ABB Cyber Security Advisory - Welcome 2 wire door opener actuator by default in compatibility mode – CVE-2025-7705
• ABB Cyber security alerts and notifications