Memory Buffer Vulnerability in AsIO3.sys Driver - ASUS
CVE-2025-9338

7.3HIGH

Key Information:

Vendor

Asus
Status
Armoury Crate
Vendor
CVE Published:
6 November 2025

What is CVE-2025-9338?

An improper restriction of operations within the bounds of a memory buffer has been identified in the AsIO3.sys driver from ASUS. This vulnerability can be exploited by executing a specially crafted process manually, which may allow an attacker to escalate their privileges locally. Users are encouraged to review the security update provided by ASUS in their advisory for detailed information and mitigations.

Affected Version(s)

Armoury Crate 6.2.11 and earlier

References

https://www.asus.com/security-advisory/
vendor-advisory

CVSS V4

Score:
7.3
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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CVE-2025-9338 : Memory Buffer Vulnerability in AsIO3.sys Driver - ASUS