Buffer overflow in Huawei Harmonyos

CVE-2025-46585

Out-of-bounds array read/write vulnerability in the kernel module Impact: Successful exploitation of this vulnerability may affect availability.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (0.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.

Affected products

Huawei Harmonyos — versions 5.0.0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

psirt@huawei.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-46585?: CVE-2025-46585 is a high-severity vulnerability in Huawei Harmonyos, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2025-05-06.
How severe is CVE-2025-46585?: High severity. CVSS v3 base score is 7.5 out of 10.