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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.001 (0.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 1st percentile — 0.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-46585: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: +0.000

Affected products

Weakness classification (CWE)

References

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.