CVE-2025-66324 — HIGH (8.4)

Vulnerability Description

Input verification vulnerability in the compression and decompression module. Impact: Successful exploitation of this vulnerability may affect app data integrity.

CVSS Score

8.4

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Huawei	Harmonyos	5.0.1

Related Weaknesses (CWE)

CWE-269

References

https://consumer.huawei.com/en/support/bulletin/2025/12/Vendor Advisory

FAQ

What is CVE-2025-66324?

CVE-2025-66324 is a vulnerability with a CVSS score of 8.4 (HIGH). Input verification vulnerability in the compression and decompression module. Impact: Successful exploitation of this vulnerability may affect app data integrity.

How severe is CVE-2025-66324?

CVE-2025-66324 has been rated HIGH with a CVSS base score of 8.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-66324?

Check the references section above for vendor advisories and patch information. Affected products include: Huawei Harmonyos.