Command Injection Vulnerability in GL.iNet GL-MT3000 Network Component
CVE-2026-18600

8.7HIGH

Key Information:

Vendor

Gl.inet

Status
Gl-mt3000
Vendor
CVE Published:
3 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-18600?

A vulnerability has been identified in the GL.iNet GL-MT3000 device, specifically within the Network Lua RPC Plugin. The flaw lies in the handling of the 'switch' argument in the network.switch_info and network.switch_status functions. This weakness may allow an attacker to execute arbitrary commands on the device via remote exploitation. Following disclosure, the vendor confirmed the issue's validity. Users of the affected GL-MT3000 version should urgently apply the necessary security patches to mitigate potential risks.

Affected Version(s)

GL-MT3000 4.4.0

GL-MT3000 4.4.1

GL-MT3000 4.4.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-18600 - Proof of Concept

References

https://vuldb.com/vuln/385515
vdb-entrytechnical-description
https://vuldb.com/vuln/385515/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-18600
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

strforexc (VulDB User)
VulDB CNA Team
.