View CSAF Summary ABB is aware of vulnerabilities in the product versions listed as affected in the advisory. An attacker who successfully exploited this vulnerability could gain physical, unauthorized access to a Building where the product is installed The following versions of ABB Busch-Welcome 2 Wire Door Opener Actuator are affected: Switch Actuator 4 DU vers:all/*  Switch actuator, door/light 4 DU vers:all/*  CVSS Vendor Equipment Vulnerabilities v3 6.8 ABB ABB Busch-Welcome 2 Wire Door Opener Actuator Active Debug Code Background Critical Infrastructure Sectors: Commercial Facilities Countries/Areas Deployed: Worldwide Company Headquarters Location: Switzerland Vulnerabilities Expand All + CVE-2025-7705 Authentication bypass due to compatibility mode enabled by default View CVE Details Affected Products ABB Busch-Welcome 2 Wire Door Opener Actuator Vendor: ABB Product Version: Switch Actuator 4 DU -83330 - All Versions, Switch actuator, door/light 4 DU -83330-500 - All Versions Product…