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CVE-2025-9336VulnerabilityPublished Updated

CVE-2025-9336: ASUS Armoury Crate · - Stack-based Buffer Overflow

Affects ASUS Armoury CrateSource CVE Database V5

0

Not known to be exploited · CVSS 6.8 Medium : upgrade to 6.3.4 when convenient.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 4.0 base score
6.8Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 6.3.4
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 13 Oct 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 2026-10-25.

What to do

Upgrade ASUS Armoury Crate to 6.3.4.

Affected software

ProductAffectedFixed in
ASUS Armoury CrateAffected
  • <6.3.4
Fixed in
  • 6.3.4

AI-suggested

European organizations should immediately verify the version of ASUS Armoury Crate installed on their systems and upgrade to version 6.3.4 or later, where the vulnerability is patched. Since the vulnerability requires local access, enforcing strict access controls and limiting administrative privileges can reduce the risk of exploitation. Employ endpoint detection and response (EDR) solutions to monitor for unusual local activity that could indicate attempts to exploit the driver. Regularly audit and restrict software installations to prevent unauthorized deployment of vulnerable versions. Implement system integrity monitoring to detect crashes or abnormal behavior related to AsIO3.sys. For critical environments, consider isolating ASUS hardware or limiting its use until patched. Maintain up-to-date backups and incident response plans to quickly recover from potential disruptions caused by exploitation. Finally, stay informed through ASUS security advisories and threat intelligence feeds for updates or emerging exploit information.

Description

A stack buffer overflow has been identified in the AsIO3.sys driver. This vulnerability can be triggered by input manipulation, may leading to a system crash (BSOD) or other potentially undefined execution. Refer to the 'Security Update for Armoury Crate App' section on the ASUS Security Advisory for more information.

References

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