CVE-2025-59448 – YoSmart YoLink Unencrypted MQTT Communication Vulnerability

CVE ID : CVE-2025-59448

Published : Oct. 6, 2025, 8:15 p.m. | 18 minutes ago

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.

Severity: 4.7 | MEDIUM

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