What is CVE-2024-42936?

CVE-2024-42936 is a critical-severity vulnerability in Ruijie Reyee_os, classified under Code Injection. CVSS score: 9.8/10. Published 2025-01-21.

How severe is CVE-2024-42936?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Ruijie Reyee_os

CVE-2024-42936

The mqlink.elf is service component in Ruijie RG-EW300N with firmware ReyeeOS 1.300.1422 is vulnerable to Remote Code Execution via a modified MQTT broker message.

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.010 (59.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Ruijie Reyee_os — versions 1.300.1422
Ruijie Rg-ew300n
N/a — versions n/a

Weakness classification (CWE)

CWE-94 — Code Injection

References

cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-42936?: CVE-2024-42936 is a critical-severity vulnerability in Ruijie Reyee_os, classified under Code Injection. CVSS score: 9.8/10. Published 2025-01-21.
How severe is CVE-2024-42936?: Critical severity. CVSS v3 base score is 9.8 out of 10.