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.

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

EPSS: 0.001 (0.6th percentile) — read the EPSS interpretation.

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.

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)

CWE-190 — Integer Overflow or Wraparound

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

psirt@huawei.com (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.