What’s Vulnerable › Vulnerabilities

CVE-2024-45722: Ruijie Reyee OS Use of Weak Credentials

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-12-06 · updated 2026-06-17
• Weakness: CWE-1391

Description

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

• Ruijie Reyee OS: from 2.206.0 before 2.320.0 — fixed in 2.320.0

How to fix

Upgrade to a fixed version: Ruijie Reyee OS 2.320.0. Check the vendor advisory for mitigations.

References

• https://www.cisa.gov/news-events/ics-advisories/icsa-24-338-01

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