CVE-2024-52324: Ruijienetworks Reyee OS

Critical severity, CVSS 9.8. EPSS: 0.7% chance of exploitation in the next 30 days.

Ruijie Reyee OS versions 2.206.x up to but not including 2.320.x uses an inherently dangerous function which could allow an attacker to send a malicious MQTT message resulting in devices executing arbitrary OS commands.

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.