CVE-2024-45722: Ruijienetworks Reyee OS

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Ruijie Reyee OS versions 2.206.x up to but not including 2.320.x uses weak credential mechanism that could allow an attacker to easily calculate MQTT credentials.

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.