CVE-2023-5778: Abb Freelance Controller AC700

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper handling of length parameter inconsistency vulnerability in ABB Freelance Controller DCP, ABB Freelance Controller AC700, ABB Freelance Controller AC800, and ABB Freelance Controller AC900. This issue affects Freelance Controller DCP: through 2013, 2013 SP1, 2016, 2016 SP1, 2019, and 2019 SP1; Freelance Controller AC700: through 2013, 2013 SP1, 2016, 2016 SP1, 2019, and 2019 SP1; Freelance Controller AC800: through 2013, 2013 SP1, 2016, 2016 SP1, 2019, and 2019 SP1; Freelance Controller AC900: through 2013, 2013 SP1, 2016, 2016 SP1, 2019, and 2019 SP1.

Affected products

• Abb Freelance Controller AC700: up to and including 2013; version 2013 SP1 only; version 2016 only; version 2016 SP1 only; version 2019 only; version 2019 SP1 only
• Abb Freelance Controller AC800: up to and including 2013; version 2013 SP1 only; version 2016 only; version 2016 SP1 only; version 2019 only; version 2019 SP1 only
• Abb Freelance Controller AC900: up to and including 2013; version 2013 SP1 only; version 2016 only; version 2016 SP1 only; version 2019 only; version 2019 SP1 only
• Abb Freelance Controller Dcp: up to and including 2013; version 2013 SP1 only; version 2016 only; version 2016 SP1 only; version 2019 only; version 2019 SP1 only

Published 2026-09-18. Last modified 2026-09-18.