Buffer overflow in Huawei Harmonyos

CVE-2025-54627

Out-of-bounds write vulnerability in the skia module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (37.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Huawei Harmonyos — versions 5.1.0, 5.0.1

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

consumer.huawei.com/en/support/bulletin/2025/8/

Frequently asked questions

What is CVE-2025-54627?: CVE-2025-54627 is a high-severity vulnerability in Huawei Harmonyos, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2025-08-06.
How severe is CVE-2025-54627?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2025-54627 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.