PatchTheCVECVE-2020-9462: An issue was discovered in all Athom Homey and Homey Pro devices up to the current version 4.2.0
CVE-2020-9462 is a medium-severity flaw (CVSS 4.3) 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 in all Athom Homey and Homey Pro devices up to the current version 4.2.0. An attacker within RF range can obtain a cleartext copy of the network configuration of the device, including the Wi-Fi PSK, during device setup. Upon success, the attacker is able to further infiltrate the target's Wi-Fi networks.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.3 (Medium) |
| Attack vector | Adjacent network |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 74%) |
| CISA exploited list | No |
| Weakness | CWE-312 |
| Published | 2020-06-04 |
| 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-2020-9462?
homey firmware: upgrade to 4.2.0; homey pro firmware: upgrade to 4.2.0. Exact commands for each OS are on this page.
Is CVE-2020-9462 being exploited?
CVE-2020-9462 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-2020-9462 affect?
CVE-2020-9462 affects homey firmware, homey pro firmware. Severity is medium (CVSS 4.3). An issue was discovered in all Athom Homey and Homey Pro devices up to the current version 4.2.0. An attacker within RF range can obtain a cleartext copy of the network configuration of the device, including the Wi-Fi PSK, during device set
How urgent is CVE-2020-9462?
Priority 22/100. No elevated risk signals yet.
Software pages
Related CVEs
- CVE-2020-28952 HIGH 7.5 UPGRADE UPGRADE An issue was discovered on Athom Homey and Homey Pro devices before 5.0.0