AUGUST 4, 2026
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Case File

CVE-2021-3774

HIGH · CVSS 7.4 EPSS 0.70%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-11-05 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.4. It may be remotely exploitable.

CVE
CVE-2021-3774
Severity
HIGH
CVSS
7.4
EPSS
0.70%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)