CVE-2019-11334: Tzumi Klic Lock

Low severity, CVSS 3.7. EPSS: 1.6% chance of exploitation in the next 30 days.

An authentication bypass in website post requests in the Tzumi Electronics Klic Lock application 1.0.9 for mobile devices allows attackers to access resources (that are not otherwise accessible without proper authentication) via capture-replay. Physically proximate attackers can use this information to unlock unauthorized Tzumi Electronics Klic Smart Padlock Model 5686 Firmware 6.2.

Affected products

  • Tzumi Klic Lock: version 1.0.9 only
  • Tzumi Klic Smart Padlock Model 5686 Firmware: version 6.2 only

Published 2019-06-11. Last modified 2026-06-17.