Command Injection Vulnerability in GL.iNet GL-MT3000 Router
CVE-2026-18598

8.7HIGH

Key Information:

Vendor

Gl.inet

Status
Gl-mt3000
Vendor
CVE Published:
3 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-18598?

A command injection vulnerability exists in the Logread Lua RPC plugin of GL.iNet GL-MT3000 routers, specifically in the logread.get_system_log function. This flaw allows remote attackers to manipulate parameters, leading to unauthorized command execution on the device. The exploit is publicly available, making it critical for users to secure their devices against potential attacks.

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-2026-18598 - Proof of Concept

References

https://vuldb.com/vuln/385513
vdb-entrytechnical-description
https://vuldb.com/vuln/385513/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-18598
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
.