CVE-2025-59448

medium

Description

Components of the YoSmart YoLink ecosystem through 2025-10-02 leverage unencrypted MQTT to communicate over the internet. An attacker with the ability to monitor network traffic could therefore obtain sensitive information or tamper with the traffic to control affected devices. This affects YoLink Hub 0382, YoLink Mobile Application 1.40.41, and YoLink MQTT Broker.

References

https://shop.yosmart.com/pages/product-support

https://bishopfox.com/blog/how-a-20-smart-device-gave-me-access-to-your-home

https://bishopfox.com/blog/advisories

Details

Source: Mitre, NVD

Published: 2025-10-06

Updated: 2025-10-08

Risk Information

CVSS v2

Base Score: 3.2

Vector: CVSS2#AV:A/AC:H/Au:N/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 4.7

Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00006