ASUS RT-AX1800S
Routers · ASUS
Latest Firmware
Version 3.0.0.4.388_34017
Released
29.6 MB
Update track record
- releases tracked since 2024
- 14
- typical gap between releases
- ~4 weeks
- since the latest release
- 71 days
- security-related releases · latest 2026-05-19
- 10
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Firmware History
3.0.0.4.388_34017
LatestSecurityDownload from ASUS (opens in new tab)This version of firmware is only applicable to RT-AX1800S V2, please check the model name from the product SN label or box label before utilizing. Security Fixes - Enhanced DNS name handling to address a potential memory issue that could occur in rare cases during name format conversion, improving system security and robustness. - Improved safeguards for execution modules to reduce the risk of substitution during certain processes.
3.0.0.4.386_69195
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.