How severe is CVE-2025-6398?

CVE-2025-6398 has a CVSS 4.0 base score of 6.7, rated medium severity.

Is CVE-2025-6398 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-6398?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-6398 have an EU (EUVD) identifier?

Yes. CVE-2025-6398 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23349.

When was CVE-2025-6398 published?

CVE-2025-6398 was published on 2025-08-01 and last updated on 2026-06-17.

CVE-2025-6398

CVE-2025-6398 is a medium-severity vulnerability with a CVSS 4.0 base score of 6.7. 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-476.

Key facts

Severity: Medium (CVSS 4.0 base score 6.7)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-23349
Weakness: CWE-476
Published: 2025-08-01
Last modified: 2026-06-17

Description

A null pointer dereference vulnerability exists in the IOMap64.sys driver of ASUS AI Suite 3. The vulnerability can be triggered by a specially crafted input, which may lead to a system crash (BSOD). Refer to the ' Security Update for for AI Suite 3 ' section on the ASUS Security Advisory for more information.

Frequently asked questions

What is CVE-2025-6398?: A null pointer dereference vulnerability exists in the IOMap64.sys driver of ASUS AI Suite 3. The vulnerability can be triggered by a specially crafted input, which may lead to a system crash (BSOD). Refer to the ' Security Update for for AI Suite 3 ' section on the ASUS Security Advisory for more information.
How severe is CVE-2025-6398?: CVE-2025-6398 has a CVSS 4.0 base score of 6.7, rated medium severity.
Is CVE-2025-6398 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-6398?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-6398 have an EU (EUVD) identifier?: Yes. CVE-2025-6398 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23349.
When was CVE-2025-6398 published?: CVE-2025-6398 was published on 2025-08-01 and last updated on 2026-06-17.

References

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

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