PatchTheCVECVE-2020-28952: An issue was discovered on Athom Homey and Homey Pro devices before 5.0.0
CVE-2020-28952 is a high-severity flaw (CVSS 7.5) affecting homey firmware, homey pro firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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), whic
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.3% (top 30%) |
| CISA exploited list | No |
| Weakness | CWE-798 |
| Published | 2021-03-09 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2020-28952?
homey firmware: upgrade to 5.0.0; homey pro firmware: upgrade to 5.0.0. Exact commands for each OS are on this page.
Is CVE-2020-28952 being exploited?
CVE-2020-28952 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2020-28952 affect?
CVE-2020-28952 affects homey firmware, homey pro firmware. Severity is high (CVSS 7.5). 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
How urgent is CVE-2020-28952?
Priority 49/100. High severity; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2020-9462 MEDIUM 4.3 UPGRADE UPGRADE An issue was discovered in all Athom Homey and Homey Pro devices up to the current version 4.2.0