CVE-2018-15476

HIGH

myStrom WiFi Switch/LED Strip/Button/Plus < 3.80, Bulb < 2.58 - Improper Certificate Validation

Title source: llm
STIX 2.1

Description

An issue was discovered in myStrom WiFi Switch V1 before 2.66, WiFi Switch V2 before 3.80, WiFi Switch EU before 3.80, WiFi Bulb before 2.58, WiFi LED Strip before 3.80, WiFi Button before 2.73, and WiFi Button Plus before 2.73. The SSL/TLS server certificate in the device to cloud communication was not verified by the device. As a result, an attacker in control of the network traffic of a device could have taken control of a device by intercepting and modifying commands issued from the server to the device in a Man-in-the-Middle attack. This included the ability to inject firmware update commands into the communication and cause the device to install maliciously modified firmware.

Scores

CVSS v3 8.1
EPSS 0.0076
EPSS Percentile 50.3%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-295
Status published
Products (6)
mystrom/wifi_bulb_firmware < 2.58
mystrom/wifi_button_firmware < 2.73
mystrom/wifi_button_plus_firmware < 2.73
mystrom/wifi_led_strip_firmware < 3.80
mystrom/wifi_switch_eu_firmware < 3.80
mystrom/wifi_switch_firmware < 2.66
Published Aug 30, 2018
Tracked Since Feb 18, 2026