CVE-2023-0863: Abb Terra Ac Wallbox 80a Firmware

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Authentication vulnerability in ABB Terra AC wallbox (UL40/80A), ABB Terra AC wallbox (UL32A), ABB Terra AC wallbox (CE) (Terra AC MID), ABB Terra AC wallbox (CE) Terra AC Juno CE, ABB Terra AC wallbox (CE) Terra AC PTB, ABB Terra AC wallbox (CE) Symbiosis, ABB Terra AC wallbox (JP).This issue affects Terra AC wallbox (UL40/80A): from 1.0;0 through 1.5.5; Terra AC wallbox (UL32A) : from 1.0;0 through 1.6.5; Terra AC wallbox (CE) (Terra AC MID): from 1.0;0 through 1.6.5; Terra AC wallbox (CE) Terra AC Juno CE: from 1.0;0 through 1.6.5; Terra AC wallbox (CE) Terra AC PTB : from 1.0;0 through 1.5.25; Terra AC wallbox (CE) Symbiosis: from 1.0;0 through 1.2.7; Terra AC wallbox (JP): from 1.0;0 through 1.6.5.

Affected products

• Abb Terra Ac Wallbox 80a Firmware: from 1.0.0, before 1.5.6 (fixed in 1.5.6)
• Abb Terra Ac Wallbox CE Juno Firmware: from 1.0.0, before 1.6.6 (fixed in 1.6.6)
• Abb Terra Ac Wallbox CE Mid Firmware: from 1.0.0, before 1.6.6 (fixed in 1.6.6)
• Abb Terra Ac Wallbox CE Ptb Firmware: from 1.0.0, before 1.5.26 (fixed in 1.5.26)
• Abb Terra Ac Wallbox CE Symbiosis Firmware: from 1.0.0, before 1.2.8 (fixed in 1.2.8)
• Abb Terra Ac Wallbox Jp Firmware: from 1.0.0, before 1.6.6 (fixed in 1.6.6)
• Abb Terra Ac Wallbox UL32A Firmware: from 1.0.0, before 1.6.6 (fixed in 1.6.6)
• Abb Terra Ac Wallbox UL40 Firmware: from 1.0.0, before 1.5.6 (fixed in 1.5.6)

Published 2023-05-17. Last modified 2026-06-17.