ASUS RT-AX5400
Routers · ASUS
Last checked
Latest Firmware
Version 3.0.0.4.388_25247
Released
48.3 MB
Update track record
- releases tracked since 2024
- 9
- typical gap between releases
- ~2 months
- since the latest release
- 139 days
- security-related releases · latest 2026-03-12
- 5
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Get notified when new firmware is released for this device.
Firmware History
3.0.0.4.388_25247
LatestSecuritySecurity: -Strengthened input sanitization mechanism.
Download from ASUS (opens in new tab)3.0.0.4.388_25204
Security
Why Keep Your Firmware Updated
Router firmware is critical for network security. Updates patch vulnerabilities that could allow remote access to your network, fix Wi-Fi stability issues, improve throughput performance, and add new features. Given that routers are internet-facing devices, keeping firmware current is one of the most important security measures you can take.