CVE Catalog

CVE-2026-19398

MediumCVSS 6.8
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.11%

1th percentile - higher than 1% of all known CVEs

Summary

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.

Risk Assessment

A local administrator with privileges could exploit the vulnerability to cause system crash or permanent BIOS corruption, potentially leading to system unavailability and hardware integrity compromise.

Recommendation

Update the BIOS to the latest version as per ASUS Security Advisory. Also restrict administrative access to the system.

Related vulnerabilities

Original NVD description (English source)

“unsupported-when-assigned.” 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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS