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Fencer Intel
medium 4.3

CVE-2020-9462 json

An issue was discovered in all Athom Homey and Homey Pro devices up to the current version 4.2.0.

published 6y ago modified 4mo ago also EUVD-2020-30281

cvss
4.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 26%
public exploits
0
none known

Summary

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.

Patch / fix

  • homey homey_firmware 4.2.0
  • homey homey_pro_firmware 4.2.0

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Exploit prediction

0.33% chance of exploitation in the next 30 days, higher than 26% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 4.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 2.0 3.3 AV:A/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-312 Cleartext Storage of Sensitive Information

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.