Integer overflow in Huawei Emui
CVE-2025-54631
Vulnerability of insufficient data length verification in the partition module. Impact: Successful exploitation of this vulnerability may affect availability.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.001 (0.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 0th percentile — 0.5% 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 Emui — versions 15.0.0, 14.0.0
- Huawei Harmonyos — versions 4.3.0, 4.3.1, 5.0.2
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-2025-54631?
- CVE-2025-54631 is a medium-severity vulnerability in Huawei Emui, classified under Integer Overflow or Wraparound. CVSS score: 6.7/10. Published 2025-08-06.
- How severe is CVE-2025-54631?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2025-54631 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.