What’s Vulnerable › Vulnerabilities

CVE-2021-28686

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-04-08 · updated 2026-06-17
• Weakness: CWE-787

Description

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

How to fix

Upgrade to a fixed version: ASUS Gputweak Ii 2.3.0.3. Check the vendor advisory for mitigations.

References

• https://gist.github.com/DStraghkov/fba4994ac4bb3a6e2940b21743563df0
• https://www.asus.com/Static_WebPage/ASUS-Product-Security-Advisory/
• https://gist.github.com/DStraghkov/fba4994ac4bb3a6e2940b21743563df0
• https://www.asus.com/Static_WebPage/ASUS-Product-Security-Advisory/

Get alerted when CVE-2021-28686 or the next vulnerability affects your stack