CVE-2018-6402

HIGH

Ecobee Ecobee4 4.2.0.171 - Use of a Broken or Risky Cryptographic Algorithm via Evil Twin Attack

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_misc
https://garrettmiller.github.io/meross-mss110-vuln/

Scores

CVSS v3 7.5
EPSS 0.0024
EPSS Percentile 14.3%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-327
Status published
Products (1)
ecobee/ecobee4_firmware 4.2.0.171
Published Apr 14, 2020
Tracked Since Feb 18, 2026