CVE-2021-28686
MEDIUM
5.5
CVSS Score
Published: April 8, 2021 at 10:19 AM UTC
Updated: June 17, 2026 at 03:46 AM UTC
1 product affected across 1 vendorGPUTweakII
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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2.3.0.3
Affected range stops below 2.3.0.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCThird Party Advisory
Source: [email protected]
https://gist.github.com/DStraghkov/fba4994ac4bb3a6e2940b21743563df0x_refsource_MISCVendor Advisory
Source: [email protected]
https://www.asus.com/Static_WebPage/ASUS-Product-Security-Advisory/CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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