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Medium · 6.8 CVE-2026-19398 EUVD-2026-66834GHSA-mqcp-4543-826g

An out-of-bounds write in the SmiFlash SMM module of ASUS FA507NU and FA507NV BIOS allows a local  administrator to cause a system crash (B…

Published Aug 27, 2026 · Updated Sep 9, 2026 · Assigned by ASUS

Description

An out-of-bounds write in the SmiFlash SMM module of ASUS FA507NU and FA507NV BIOS allows a local  administrator to cause a system crash (BSOD) or BIOS corruption via a crafted software SMI (SW SMI) request with an oversized length value.Refer to the ' 
Security Update for ASUS FA507NV / FA507NU BIOS   ' section on the ASUS Security Advisory for more information.

Affected products

VendorProductAffectedFixed
ASUS FA507NV 318 —
ASUS FA507NU 318 —

References