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VulnerabilityPublished

CVE-2025-9338: ASUS Armoury Crate · Memory Buffer Overflow

Affects ASUS Armoury CrateSource CVE Database V5

0

Not known to be exploited · CVSS 7.3 High.

Data as of 26 Oct 2026, 10:12 UTC

CVSS 4.0 base score
7.3High
How severe the flaw is on the 0–10 CVSS scale.
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:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 6 Nov 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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

ProductAffectedFixed in
ASUS Armoury CrateAffected
  • <=6.2.11
Fixed in–

AI-suggested

  1. Apply patches from ASUS as soon as they become available; monitor official ASUS security advisories regularly.
  2. Restrict local user permissions to the minimum necessary, avoiding granting administrative privileges to standard users.
  3. Implement application whitelisting to prevent execution of unauthorized or suspicious processes that could exploit the vulnerability.
  4. Monitor system logs and endpoint detection tools for unusual process creation or attempts to interact with the AsIO3.sys driver.
  5. Employ endpoint protection solutions capable of detecting privilege escalation attempts and anomalous driver interactions.
  6. Educate users about the risks of executing untrusted software locally, especially on systems with Armoury Crate installed.
  7. Consider temporarily disabling Armoury Crate if it is not essential, until patches are applied.
  8. Conduct regular vulnerability scans and penetration tests focusing on privilege escalation vectors within the environment.
  9. 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.

References

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