CVE-2021-28686: ASUS Gputweak Ii

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

AsIO2_64.sys and AsIO2_32.sys in ASUS GPUTweak II before 2.3.0.3 allow low-privileged users to trigger a stack-based buffer overflow. This could enable low-privileged users to achieve Denial of Service via a DeviceIoControl.

Affected products

• ASUS Gputweak Ii: before 2.3.0.3 (fixed in 2.3.0.3)

Published 2021-04-08. Last modified 2026-06-17.