CVE-2025-29628: Gardyn Home Kit Firmware

Critical severity, CVSS 9.4. EPSS: 0.3% chance of exploitation in the next 30 days.

A Gardyn Azure IoT Hub connection string is downloaded over an insecure HTTP connection in Gardyn Home Kit firmware before master.619, Home Kit Mobile Application before 2.11.0, and Home Kit Cloud API before 2.12.2026 leaving the string vulnerable to interception and modification through a Man-in-the-Middle attack. This may result in the attacker capturing device credentials or taking control of vulnerable home kits.

Affected products

• Gardyn Home Kit Firmware

Published 2025-07-25. Last modified 2026-06-17.