CVE-2024-42936

CRITICAL

Published Jan 21, 2025 Modified Dec 15, 2025 CWE-94

Description

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.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-94 CWE-94

Affected Products

Vendor	Product	Versions
ruijie	reyee_os	All
ruijie	rg-ew300n	All

References

Exploits

https://gist.github.com/smrx86/2008111b12ab47882b3928d0cbc9e415

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2024-42936? +

CVE-2024-42936 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2024-42936? +

CVE-2024-42936 affects products from ruijie, specifically: reyee_os, rg-ew300n. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-42936? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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