What is CVE-2025-54645?

CVE-2025-54645 is a medium-severity vulnerability in Huawei Harmonyos, classified under Improper Validation of Array Index. CVSS score: 5.0/10. Published 2025-08-06.

How severe is CVE-2025-54645?

Medium severity. CVSS v3 base score is 5.0 out of 10.

Vulnerability in Huawei Harmonyos

CVE-2025-54645

Out-of-bounds array access issue due to insufficient data verification in the location service module. Impact: Successful exploitation of this vulnerability may affect availability.

Published 2025-08-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.001 (0.3th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

Huawei Harmonyos — versions 5.1.0, 5.0.1

Weakness classification (CWE)

CWE-129 — Improper Validation of Array Index

References

consumer.huawei.com/en/support/bulletin/2025/8/ (Vendor Advisory)

Frequently asked questions

What is CVE-2025-54645?: CVE-2025-54645 is a medium-severity vulnerability in Huawei Harmonyos, classified under Improper Validation of Array Index. CVSS score: 5.0/10. Published 2025-08-06.
How severe is CVE-2025-54645?: Medium severity. CVSS v3 base score is 5.0 out of 10.