PT-2025-2639 · Ruijie · Ruijie Rg-Ew300N+1

Smrx86 · Published 2025-01-21 · Updated 2025-12-15 · CVE-2024-42936

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Ruijie RG-EW300N firmware versions prior to 1.300.1422

Description The mqlink.elf service component in Ruijie RG-EW300N is susceptible to Remote Code Execution through a crafted MQTT broker message. The issue involves the processing of modified messages sent to the MQTT broker. The vulnerable component is mqlink.elf.

Recommendations Update Ruijie RG-EW300N firmware to a version later than 1.300.1422.

Exploit

Fix

RCE

Code Injection

Weakness Enumeration

CWE-94

Related Identifiers

CVE-2024-42936

Affected Products

Reyeeos

Ruijie Rg-Ew300N

References · 7

• 🔥 https://gist.github.com/smrx86/2008111b12ab47882b3928d0cbc9e415 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-42936 · Security Note
• https://osv.dev/vulnerability/CVE-2024-42936 · Vendor Advisory
• https://twitter.com/CVEnew/status/1881806578405515396 · Twitter Post
• https://t.me/cveNotify/145816 · Telegram Post
• https://t.me/cvedetector/16009 · Telegram Post
• https://t.me/cveNotify/145786 · Telegram Post