Deviceways

Router

GL.iNet GL-X300B

Contribute

Projects for this device

Replacement firmware

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

Hardwarev1

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.
v1
Hardware revision not specified
Release listed · 25.12.5
Open hardware recordopenwrt.org
Original project github.com
Sources

Features & details

Check the project and hardware shown for each feature.

Device details

gl.inet gl-x300b — device documentation (github.com)

Hardware revision
v1

Hardware details

Security

Saved scan

From our saved security research.

Model advisories

Selected highlights

Prioritized by known exploitation, severity, then date.

CVE published

CVSS 8.6 (v4.0)

GL-X300B Collie

GL.iNet GL-A1300 Slate Plus RPC plugins.so buffer overflow

CVE-2025-2851

Affected firmware
4.x
Fix
Fix details in the linked record
Read VulDB CVE record
Details and sources
CVE updated

A vulnerability classified as critical has been found in GL.iNet GL-A1300 Slate Plus, GL-AR300M16 Shadow, GL-AR300M Shadow, GL-AR750 Creta, GL-AR750S-EXT Slate, GL-AX1800 Flint, GL-AXT1800 Slate AX, GL-B1300 Convexa-B, GL-B3000 Marble, GL-BE3600 Slate 7, GL-E750, GL-E750V2 Mudi, GL-MT300N-V2 Mango, GL-MT1300 Beryl, GL-MT2500 Brume 2, GL-MT3000 Beryl AX, GL-MT6000 Flint 2, GL-SFT1200 Opal, GL-X300B Collie, GL-X750 Spitz, GL-X3000 Spitz AX, GL-XE300 Puli and GL-XE3000 Puli AX 4.x. Affected is an unknown function of the file plugins.so of the component RPC Handler. The manipulation leads to buffer overflow. It is recommended to upgrade the affected component.

VDB-306288 | GL.iNet GL-A1300 Slate Plus RPC plugins.so buffer overflow — GL-X300B Collie (vuldb.com) ↗VDB-306288 | CTI Indicators (IOB, IOC, IOA) — GL-X300B Collie (vuldb.com) ↗
CVE published

CVSS 6.9 (v4.0)

GL-X300B Collie

GL.iNet GL-A1300 Slate Plus API redos

CVE-2025-2811

Affected firmware
4.x
Fix
Fix details in the linked record
Read VulDB CVE record
Details and sources
CVE updated

A vulnerability was found in GL.iNet GL-A1300 Slate Plus, GL-AR300M16 Shadow, GL-AR300M Shadow, GL-AR750 Creta, GL-AR750S-EXT Slate, GL-AX1800 Flint, GL-AXT1800 Slate AX, GL-B1300 Convexa-B, GL-B3000 Marble, GL-BE3600 Slate 7, GL-E750, GL-E750V2 Mudi, GL-MT300N-V2 Mango, GL-MT1300 Beryl, GL-MT2500 Brume 2, GL-MT3000 Beryl AX, GL-MT6000 Flint 2, GL-SFT1200 Opal, GL-X300B Collie, GL-X750 Spitz, GL-X3000 Spitz AX, GL-XE300 Puli and GL-XE3000 Puli AX 4.x. It has been declared as problematic. This vulnerability affects unknown code of the component API. The manipulation leads to inefficient regular expression complexity. It is recommended to upgrade the affected component.

VDB-306286 | GL.iNet GL-A1300 Slate Plus API redos — GL-X300B Collie (vuldb.com) ↗VDB-306286 | CTI Indicators (IOB, IOC, TTP) — GL-X300B Collie (vuldb.com) ↗Submit #524459 | glinet MT6000 /MT3000 /MT2500 /AXT1800 /AX1800 /B3000 /A1300 /X300B /X3000 /XE3000 /X750 /SFT1200 /MT1300 /E750 /XE300 /AR750 /AR750S / v4.x Large or infinite loop — GL-X300B Collie (vuldb.com) ↗
CVE published

CVSS 5.1 (v4.0)

GL-X300B Collie

GL.iNet GL-A1300 Slate Plus Download Interface improper authorization

CVE-2025-2850

Affected firmware
4.x
Fix
Fix details in the linked record
Read VulDB CVE record
Details and sources
CVE updated

A vulnerability was found in GL.iNet GL-A1300 Slate Plus, GL-AR300M16 Shadow, GL-AR300M Shadow, GL-AR750 Creta, GL-AR750S-EXT Slate, GL-AX1800 Flint, GL-AXT1800 Slate AX, GL-B1300 Convexa-B, GL-B3000 Marble, GL-BE3600 Slate 7, GL-E750, GL-E750V2 Mudi, GL-MT300N-V2 Mango, GL-MT1300 Beryl, GL-MT2500 Brume 2, GL-MT3000 Beryl AX, GL-MT6000 Flint 2, GL-SFT1200 Opal, GL-X300B Collie, GL-X750 Spitz, GL-X3000 Spitz AX, GL-XE300 Puli and GL-XE3000 Puli AX 4.x. It has been rated as problematic. This issue affects some unknown processing of the component Download Interface. The manipulation leads to improper authorization. It is recommended to upgrade the affected component.

VDB-306287 | GL.iNet GL-A1300 Slate Plus Download Interface improper authorization — GL-X300B Collie (vuldb.com) ↗VDB-306287 | CTI Indicators (IOB, IOC, TTP) — GL-X300B Collie (vuldb.com) ↗
Check more security advisories for this device · CVE.org