CVE-2020-28952

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An issue was discovered on Athom Homey and Homey Pro devices before 5.0.0. ZigBee hub devices should generate a unique Standard Network Key that is then exchanged with all enrolled devices so that all inter-device communication is encrypted. However, the cited Athom products use another widely known key that is designed for testing purposes: "01030507090b0d0f00020406080a0c0d" (the decimal equivalent of 1 3 5 7 9 11 13 15 0 2 4 6 8 10 12 13), which is human generated and static across all issued devices.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weakness enumeration

CWE-798

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://developer.athom.com/firmwareRelease Notes, Vendor Advisory
https://homey.app/en-us/Product, Vendor Advisory
https://yougottahackthat.com/blog/1260/athom-homey-security-static-and-well-known-keys-cve-2020-28952Third Party Advisory
https://developer.athom.com/firmwareRelease Notes, Vendor Advisory
https://homey.app/en-us/Product, Vendor Advisory
https://yougottahackthat.com/blog/1260/athom-homey-security-static-and-well-known-keys-cve-2020-28952Third Party Advisory

Timeline

Published: Mar 9, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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