Replacement firmware
Beta build · 10-13-2026-r66345
Browse firmware downloadsdownload1.dd-wrt.comNetwork switch
ZyXEL GS1900-24EP
Projects for this device
Replacement firmware
Replace router software with a customizable system for network controls and community packages.
HardwareA1
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- First installation
- GUI OEM; U-Boot TFTP + serial recovery
Features & details
Check the project and hardware shown for each feature.
Device details
- Hardware revision
- A1
OpenWrt · A1
- Installation routes recorded
- GUI OEM, U-Boot TFTP + serial recovery
- Recovery routes recorded
- U-Boot TFTP + serial recovery
- Availability recorded by source
- Available 2024
Hardware details
Documented hardware
- Flash
- 16 MB
- Processor
- Realtek RTL8382M
- Memory
- 128 MB
- Hardware revision
- A1
Security
Saved scan
From our saved security research.
Model advisories
Selected highlightsPrioritized by known exploitation, severity, then date.
GS1900-24EP firmware
A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-based, unauthenticated attacker to…
- Affected firmware
- <= 2.90(ABTO.1)C0
- Fix
- Fix details in the linked record
Details and sources
A stack-based buffer overflow vulnerability in the CGI program of Zyxel GS1900-48HPv2 firmware versions through 2.90(ABTQ.1)C0 could allow a LAN-based, unauthenticated attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.
GS1900-24EP firmware
The improper privilege management vulnerability in the Zyxel GS1900-24EP switch firmware version V2.70(ABTO.5) could allow an authenticated local user with read-only access to modify…
- Affected firmware
- V2.70(ABTO.5)
- Fix
- Fix details in the linked record
Details and sources
The improper privilege management vulnerability in the Zyxel GS1900-24EP switch firmware version V2.70(ABTO.5) could allow an authenticated local user with read-only access to modify system settings on a vulnerable device.