CVE-2024-46874: Ruijienetworks Reyee OS

Critical severity, CVSS 9.9. EPSS: 0.4% chance of exploitation in the next 30 days.

Ruijie Reyee OS versions 2.206.x up to but not including 2.320.x could allow MQTT clients connecting with device credentials to send messages to some topics. Attackers with device credentials could issue commands to other devices on behalf of Ruijie's cloud.

Affected products

• Ruijienetworks Reyee OS: from 2.206.0, before 2.320.0 (fixed in 2.320.0)

Published 2024-12-06. Last modified 2026-06-17.