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High · 7.4 CVE-2021-3774 EUVD-2021-27043GHSA-p792-3c6f-m4p5

Meross MSS550X Missing Encryption of Sensitive Data

Published Nov 5, 2021 · Updated Apr 23, 2025 · Assigned by INCIBE

Description

Meross Smart Wi-Fi 2 Way Wall Switch (MSS550X), on its 3.1.3 version and before, creates an open Wi-Fi Access Point without the required security measures in its initial setup. This could allow a remote attacker to obtain the Wi-Fi SSID as well as the password configured by the user from Meross app via Http/JSON plain request.

Affected products

VendorProductAffectedFixed
Meross Meross Smart Wi-Fi 2 Way Wall Switch ≤ 3.1.3 —

References