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Cudy LT300

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Projects for this device

Replacement firmware

Replace router software with a customizable system for network controls and community packages.

Hardwarev3

How to get started

Follow the guide for your exact router version. The first installation may use its web interface, recovery mode or a serial connection.

Setup
Firmware replacement; route varies by router
You’ll need
Exact hardware revision, an appropriate OpenWrt release and its model-specific installation guide.

Release listed · 25.12.6

Get OpenWrt firmwarefirmware-selector.openwrt.org
Original project github.comInstallation guide openwrt.org
First installation
GUI OEM
Sources

Features & details

Check the project and hardware shown for each feature.

Device details

Device details — v3.0 — Source documentation (openwrt.org)

Hardware revision
v3

OpenWrt · v3

OpenWrt · v3 — v3.0 — Source documentation (openwrt.org)

Installation routes recorded
GUI OEM

Hardware details

Security

Saved scan

From our saved security research.

Model advisories

Selected highlights

Prioritized by known exploitation, severity, then date.

CVE published

CVSS 8.7 (v4.0)

LT300 3.0

Cudy LT300 3.0 OS Command Injection via NTP Configuration

CVE-2026-32833

Affected firmware
Before 2.5.12
Fix
Fix details in the linked record
Read VulnCheck CVE record
Details and sources
Public disclosure CVE updated

Cudy LT300 3.0 running firmware prior to version 2.5.12 contains an OS command injection vulnerability that allows authenticated attackers to execute arbitrary commands by injecting shell metacharacters into the cbid.system.ntp.current POST parameter in the system time configuration interface. Attackers can submit malicious payloads through the NTP settings endpoint to achieve remote code execution on the underlying system.

Security advisory cudy lt300 os command injection via ntp configuration — LT300 3.0 (vulncheck.com) ↗
Check more security advisories for this device · CVE.org