What is CVE-2025-54634?

CVE-2025-54634 is a high-severity vulnerability in Huawei Harmonyos, classified under Improper Handling of Exceptional Conditions. CVSS score: 8.0/10. Published 2025-08-06.

How severe is CVE-2025-54634?

High severity. CVSS v3 base score is 8.0 out of 10.

Is CVE-2025-54634 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Huawei Harmonyos

CVE-2025-54634

Vulnerability of improper processing of abnormal conditions in huge page separation. Impact: Successful exploitation of this vulnerability may affect availability.

EPSS: 0.001 (0.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H.

Affected products

Huawei Harmonyos — versions 5.1.0, 5.0.1

Weakness classification (CWE)

CWE-755 — Improper Handling of Exceptional Conditions

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

psirt@huawei.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-54634?: CVE-2025-54634 is a high-severity vulnerability in Huawei Harmonyos, classified under Improper Handling of Exceptional Conditions. CVSS score: 8.0/10. Published 2025-08-06.
How severe is CVE-2025-54634?: High severity. CVSS v3 base score is 8.0 out of 10.
Is CVE-2025-54634 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.