CVE-2020-9438: Tinxy Smart Wifi Door Lock Firmware

Medium severity, CVSS 5.9. EPSS: 0.7% chance of exploitation in the next 30 days.

Tinxy Door Lock with firmware before 3.2 allow attackers to unlock a door by replaying an Unlock request that occurred when the attacker was previously authorized. In other words, door-access revocation is mishandled.

Affected products

• Tinxy Smart Wifi Door Lock Firmware: before 3.2 (fixed in 3.2)

Published 2020-06-23. Last modified 2026-06-17.