Description
A heap-based buffer overflow vulnerability exists on the ecobee3 lite 4.5.81.200 device in the HKProcessConfig function of the HomeKit Wireless Access Control setup process. A threat actor can exploit this vulnerability to force the device to connect to a SSID or cause a denial of service.
References (1)
Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://www.l9group.com/advisories/ecobee3-lite-heap-overflow
Scores
CVSS v3
8.2
EPSS
0.0094
EPSS Percentile
56.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Details
CWE
CWE-787
Status
published
Products (1)
ecobee/ecobee3_lite_firmware
4.5.81.200
Published
Aug 03, 2021
Tracked Since
Feb 18, 2026