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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.002 (9.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Huawei Harmonyos — versions 5.0.2, 5.1.0, 5.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- consumer.huawei.com/en/support/bulletin/2025/8/ (Vendor Advisory)
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.