CVE-2021-3774
HIGHMeross Smart Wi-Fi 2 Way Wall Switch <3.1.3 - Info Disclosure
Title source: llmDescription
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.
References (1)
Core 1
Core References
Third Party Advisory x_refsource_confirm
https://www.incibe.es/en/incibe-cert/notices/aviso/meross-mss550x-missing-encryption-sensitive-data
Scores
CVSS v3
7.4
EPSS
0.0070
EPSS Percentile
48.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-319
Status
published
Products (1)
meross/mss550x_firmware
< 3.1.3
Published
Nov 05, 2021
Tracked Since
Feb 18, 2026