CVE-2021-28686 json
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.
published 2021-04-08 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-15343
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 17%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- asus gputweak_ii 2.3.0.3
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
asus.com
/Static_WebPage/ASUS-Product-Security-Advisory/
vendor-advisory
-
gist.github.com
/DStraghkov/fba4994ac4bb3a6e2940b21743563df0
third-party-advisory
Sources
- CVE List CVE-2021-28686
- NVD CVE-2021-28686
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