What’s Vulnerable › Vulnerabilities

CVE-2025-29628

• Severity: critical (CVSS 9.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-07-25 · updated 2026-06-17
• Weakness: CWE-924

Description

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: before master.619 — fixed in master.619

How to fix

Upgrade to a fixed version: Gardyn Home Kit Firmware master.619. Check the vendor advisory for mitigations.

References

• https://github.com/mselbrede/gardyn/blob/main/CVE-2025-29628_CVE-2025-29631.md
• https://mygardyn.com/blog/security-update/
• https://www.cisa.gov/news-events/ics-advisories/icsa-26-055-03

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