Paper/Archive/CVE-2025-29628

CVE-2025-29628

Gardyn Home Kit Firmware — A Gardyn Azure IoT Hub connection string is downloaded over an insecure HTTP connection in Gardyn Home Kit firmware before master.619, Ho…

EPSS 0.3%public exploit CVSS 9.4

critical.is priorityof 100

CVSS 9.4 (CNA)9.4 / 10 × 3028.2 Not in CISA KEV+300.0 EPSS percentile 22.7.227 × 204.5 Exploit: SSVC poc+1010.0 SSVC exploitation: poc+100.0

Description · from the CVE record

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

ProductAffectedFixed inSource

Home Kit Firmware< master.619master.619CNA

Scores by source

mitre (CNA)9.4CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L

CISA ADP8.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: total

References

refgithub.com/mselbrede/gardyn/blob/main/CVE-2025-29628_CVE-2025-29631.md refcisa.gov/news-events/ics-advisories/icsa-26-055-03 refmygardyn.com/blog/security-update