What is CVE-2025-54623?

CVE-2025-54623 is a medium-severity vulnerability in Huawei Harmonyos, classified under Integer Overflow to Buffer Overflow. CVSS score: 6.3/10. Published 2025-08-06.

How severe is CVE-2025-54623?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Is CVE-2025-54623 known to be exploited?

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

Out-of-bounds Read in Huawei Harmonyos

CVE-2025-54623

Out-of-bounds read vulnerability in the devicemanager module. Impact: Successful exploitation of this vulnerability may affect availability.

EPSS: 0.002 (4.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Huawei Harmonyos — versions 5.0.2, 5.1.0, 5.0.1

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

psirt@huawei.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-54623?: CVE-2025-54623 is a medium-severity vulnerability in Huawei Harmonyos, classified under Integer Overflow to Buffer Overflow. CVSS score: 6.3/10. Published 2025-08-06.
How severe is CVE-2025-54623?: Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2025-54623 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.