CVE-2022-40903: Aiphone Gt-DB-Vn Firmware

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Aiphone GT-DMB-N 3-in-1 Video Entrance Station with NFC Reader 1.0.3 does not mitigate against repeated failed access attempts, which allows an attacker to gain administrative privileges.

Affected products

• Aiphone Gt-DB-Vn Firmware: before 2.00 (fixed in 2.00)
• Aiphone Gt-Dmb-Lvn Firmware: before 3.00 (fixed in 3.00)
• Aiphone Gt-Dmb-N Firmware: before 3.00 (fixed in 3.00)
• Aiphone Gt-Dmb Firmware: before 3.00 (fixed in 3.00)

Published 2022-11-14. Last modified 2026-06-17.