CVE-2025-9338: ASUS Armoury Crate · Memory Buffer Overflow
Affects ASUS Armoury CrateSource CVE Database V5
Not known to be exploited · CVSS 7.3 High.
Data as of 26 Oct 2026, 10:12 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 6 Nov 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ASUS Armoury Crate | Affected
| Fixed in– |
AI-suggested
- Apply patches from ASUS as soon as they become available; monitor official ASUS security advisories regularly.
- Restrict local user permissions to the minimum necessary, avoiding granting administrative privileges to standard users.
- Implement application whitelisting to prevent execution of unauthorized or suspicious processes that could exploit the vulnerability.
- Monitor system logs and endpoint detection tools for unusual process creation or attempts to interact with the AsIO3.sys driver.
- Employ endpoint protection solutions capable of detecting privilege escalation attempts and anomalous driver interactions.
- Educate users about the risks of executing untrusted software locally, especially on systems with Armoury Crate installed.
- Consider temporarily disabling Armoury Crate if it is not essential, until patches are applied.
- Conduct regular vulnerability scans and penetration tests focusing on privilege escalation vectors within the environment.
- Maintain strict control over remote access methods to reduce the risk of remote attackers gaining local execution capabilities.
Description
A improper restriction of operations within the bounds of a memory buffer exists in AsIO3.sys driver. This vulnerability can be triggered by manually executing a specially crafted process, potentially leading to local privilage escalation. For additional information, please refer to the 'Security Update for Armoury Crate App' section of the ASUS Security Advisory.