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.
Conclusion & alert: CVE-2024-52324 is rated Moderate Risk (53.9/100): CVSS Critical severity, with low exploitation likelihood (EPSS 0.68%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.13% | 0.68% | +0.55% |
| 2 | 2026-01-11 | 0.16% | 0.13% | -0.04% |
| 3 | 2025-08-11 | — | 0.16% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.2 | 4.0 | CRITICAL |
|
— | — | [email protected] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ruijienetworks | reyee_os | >= 2.206.0, < 2.320.0 | cpe:2.3:o:ruijienetworks:reyee_os:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.cisa.gov/news-events/ics-advisories/icsa-24-338-01 | Third Party Advisory US Government Resource |