Replacement firmware
Beta build · 10-13-2026-r66345
Browse firmware downloadsdownload1.dd-wrt.comRouter
Linksys MR8300
Projects for this device
Replacement firmware
Replace router software with a customizable system for network controls and community packages.
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.
- Qualcomm Atheros IPQ4019 / Qualcomm Atheros QCA9888 Wi-Fi
- Get OpenWrt firmware Release listed · 25.12.6
- Hardware revision not specified
- Get firmware Release listed · 25.12.5
- v1,v1.1; Qualcomm Atheros QCA9886 Wi-Fi
- Open hardware record
Recorded configuration: 256NAND MB flash; 512 MB RAM
- Limitations
- Bluetooth
- First installation
- GUI OEM
Features & details
Check the project and hardware shown for each feature.
Device details
- Hardware revision
- v1,v1.1
Device details
- Hardware revision
- v1
Device details
- Hardware revision
- v1 / v1.1
OpenWrt · Qualcomm Atheros IPQ4019 / Qualcomm Atheros QCA9888 Wi-Fi
- Installation routes recorded
- GUI OEM
- Availability recorded by source
- Available 2023
Hardware details
Documented hardware
linksys mr8300 — device documentation (github.com)Linksys MR8300 — TechInfoDepot (github.com)Linksys MR8300 — WikiDevi (github.com)Documented hardware — Source documentation (openwrt.org)
- Hardware revision
- v1,v1.1
- Board identifier
- EWW516-A1-BL
- Processor
- Qualcomm IPQ4019
- Hardware revision
- v1
- Wi-Fi chip
- Qualcomm Atheros QCA9886
- Processor / Wi-Fi
- Qualcomm Atheros IPQ4019
- Memory
- 512 MB
- Hardware revision
- v1 / v1.1
Security
Saved scan
From our saved security research.
Model advisories
Selected highlightsPrioritized by known exploitation, severity, then date.
MR8300 Router
Command injection vulnerability in Linksys MR8300 router while Registration to DDNS Service. By specifying username and password, an attacker connected to the router's web interface can…
- Affected firmware
- Firmware 1.0
- Manufacturer fix listed in
1
Details and sources
Upgrade to firmware version 1,1 is available here: https://www.linksys.com/support-article?articleNum=293921
Command injection vulnerability in Linksys MR8300 router while Registration to DDNS Service. By specifying username and password, an attacker connected to the router's web interface can execute arbitrary OS commands. The username and password fields are not sanitized correctly and are used as URL construction arguments, allowing URL redirection to an arbitrary server, downloading an arbitrary script file, and eventually executing the file in the device. This issue affects: Linksys MR8300 Router 1.0.