CVE-2018-6402

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Ecobee Ecobee4 4.2.0.171 devices can be forced to deauthenticate and connect to an unencrypted Wi-Fi network with the same SSID, even if the device settings specify use of encryption such as WPA2, as long as the competing network has a stronger signal. An attacker must be able to set up a nearby SSID, similar to an "Evil Twin" attack.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-327

Affected software

No affected versions have been published.

Timeline

Published: Apr 14, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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