high7.5
CVE-2021-27953
A NULL pointer dereference vulnerability exists on the ecobee3 lite 4.5.81.200 device in the HomeKit Wireless Access Control setup process.
Impact
A NULL pointer dereference vulnerability exists on the ecobee3 lite 4.5.81.200 device in the HomeKit Wireless Access Control setup process. A threat actor can exploit this vulnerability to cause a denial of service, forcing the device to reboot via a crafted HTTP request.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Ecobee | Ecobee3 Lite Firmware | Version 4.5.81.200 |