What’s Vulnerable › Vulnerabilities

CVE-2018-6402

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-04-14 · updated 2026-06-17
• Weakness: CWE-327

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.

Affected products

• Ecobee4 Firmware: 4.2.0.171

References

• https://garrettmiller.github.io/meross-mss110-vuln/
• https://garrettmiller.github.io/meross-mss110-vuln/

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