CVE-2018-5999

CRITICAL EXPLOITED

AsusWRT <3.0.0.4.384_10007 - Info Disclosure

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2018-5999 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 2 public exploits from researchers including Metasploit, Pedro Ribeiro.

AI-analyzed exploit summary This Metasploit module exploits CVE-2018-6000 in AsusWRT routers by setting the `ateCommand_flag` via a POST request to `/vpnupload.cgi` and then sending a UDP packet to port 9999 to execute arbitrary commands as root. It starts a telnetd service on a random port for interactive shell access.

Description

An issue was discovered in AsusWRT before 3.0.0.4.384_10007. In the handle_request function in router/httpd/httpd.c, processing of POST requests continues even if authentication fails.

Exploits (2)

exploitdb WORKING POC VERIFIED
by Metasploit · rubyremotehardware
https://www.exploit-db.com/exploits/44176

This Metasploit module exploits CVE-2018-6000 in AsusWRT routers by setting the `ateCommand_flag` via a POST request to `/vpnupload.cgi` and then sending a UDP packet to port 9999 to execute arbitrary commands as root. It starts a telnetd service on a random port for interactive shell access.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: AsusWRT < v3.0.0.4.384.10007
No auth needed
Prerequisites: Network access to the target router's LAN interface · UDP port 9999 accessible · HTTP port 80 accessible
devstral-2 · analyzed Feb 16, 2026 Full analysis →
exploitdb WRITEUP
by Pedro Ribeiro · textremotehardware
https://www.exploit-db.com/exploits/43881

This is a detailed writeup describing two vulnerabilities (CVE-2018-5999 and CVE-2018-6000) in AsusWRT routers, including an authentication bypass and unauthenticated NVRAM configuration manipulation leading to remote code execution. The document explains the technical details, exploitation steps, and references related tools like a Metasploit module.

Classification
Writeup 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: AsusWRT (versions before v3.0.0.4.384.10007)
No auth needed
Prerequisites: Network access to the LAN · Vulnerable AsusWRT firmware version
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/44176/
Exploit, Technical Description, Third Party Advisory x_refsource_misc
https://blogs.securiteam.com/index.php/archives/3589
Exploit, Third Party Advisory, VDB Entry exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/43881/

Scores

CVSS v3 9.8
EPSS 0.9079
EPSS Percentile 99.6%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

VulnCheck KEV 2026-05-17
Status published
Products (1)
asus/asuswrt < 3.0.0.4.384_10007
Published Jan 22, 2018
Tracked Since Feb 18, 2026