How severe is CVE-2025-9338?

CVE-2025-9338 has a CVSS 4.0 base score of 7.3, rated high severity.

Is CVE-2025-9338 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-9338?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-9338 have an EU (EUVD) identifier?

Yes. CVE-2025-9338 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37977.

When was CVE-2025-9338 published?

CVE-2025-9338 was published on 2025-11-06 and last updated on 2026-06-17.

CVE-2025-9338

CVE-2025-9338 is a high-severity vulnerability with a CVSS 4.0 base score of 7.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Severity: High (CVSS 4.0 base score 7.3)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37977
Weakness: CWE-119
Published: 2025-11-06
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-9338?: 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.
How severe is CVE-2025-9338?: CVE-2025-9338 has a CVSS 4.0 base score of 7.3, rated high severity.
Is CVE-2025-9338 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-9338?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-9338 have an EU (EUVD) identifier?: Yes. CVE-2025-9338 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37977.
When was CVE-2025-9338 published?: CVE-2025-9338 was published on 2025-11-06 and last updated on 2026-06-17.

References

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

Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities

CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.

Browse all CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities →