CVE-2026-19398

An out-of-bounds write in the SmiFlash SMM module of the ASUS FA507NU and FA507NV BIOS allows a local administrator to cause a system crash (BSOD) or BIOS corruption by sending a crafted software SMI (SW SMI) request with an oversized length value. The CVSS 4.0 score is 6.8 (Medium) , reflecting ...