ASUS Vivobook S 14 OLED UX3402VA

Laptops · ASUS

Last checked Aug 2, 2026

Latest Firmware

Version 307

Released 2026-03-04

14.2 MB

Download from ASUS

Update track record

releases tracked since 2023: 8
typical gap between releases: ~4 months
since the latest release: 151 days
security-related releases · latest 2026-03-04: 1

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Firmware History

307
LatestSecurity2026-03-04
Description : It is recommended to download and update the BIOS and firmware for system performance optimization. The update takes a few minutes, please do not turn off your computer during the process to avoid critical problem that system cannot be turned on. Caution! Active updates are possible during the Windows Update process! (UEFI is a firmware package that controls keyboard, monitor, disk and other hardware devices and provides software interface to help OS control hardware devices.) Important Information: Optimize system performance CVE-2023-45236,CVE-2023-45237, BRLY-LOGOFAIL-2023-013,BRLY-LOGOFAIL-2023-014,BRLY-LOGOFAIL-2023-015,BRLY-LOGOFAIL-2023-016,BRLY-LOGOFAIL-2023-017,BRLY-LOGOFAIL-2023-018,BRLY-LOGOFAIL-2023-019,BRLY-LOGOFAIL-2023-020,BRLY-LOGOFAIL-2023-021,BRLY-LOGOFAIL-2023-022,BRLY-LOGOFAIL-2023-023,BRLY-LOGOFAIL-2023-024, CVE-2023-3446,CVE-2023-5363, CVE-2023-45745,CVE-2023-47855,CVE-2023-42667,CVE-2023-49141,CVE-2023-45733,CVE-2023-46103, CVE-2023-22351,CVE-2023-23904,CVE-2023-25546,CVE-2023-34424,CVE-2023-34440,CVE-2023-38655,CVE-2023-40067,CVE-2023-41833,CVE-2023-42772,CVE-2023-43626,CVE-2023-43753,CVE-2023-43758,CVE-2023-48361,CVE-2024-21781,CVE-2024-21820,CVE-2024-21829,CVE-2024-21844,CVE-2024-21871,CVE-2024-23599,CVE-2024-23918,CVE-2024-23984,CVE-2024-24853,CVE-2024-24968,CVE-2024-24980,CVE-2024-35061 Introduction : - MyASUS in UEFI BIOS - Introduction How to Install : - How to update BIOS with EZ Flash FAQ : - Troubleshooting - Laptop occurs black screen when the BIOS update process is interrupted
CVE-2023-45236

Why Keep Your Firmware Updated

Laptop firmware updates cover the BIOS/UEFI, embedded controller, and sometimes trackpad or display controllers. These updates improve battery life, fix thermal throttling, patch security vulnerabilities, and can resolve issues with sleep/wake cycles. Back up important data before updating and keep your laptop plugged in during the process.