What is CVE-2025-54633?

CVE-2025-54633 is a medium-severity vulnerability in Huawei Harmonyos, classified under Out-of-bounds Read. CVSS score: 6.7/10. Published 2025-08-06.

How severe is CVE-2025-54633?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Is CVE-2025-54633 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-2025-54633

Out-of-bounds read vulnerability in the register configuration of the DMA module. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Vulnerability class: Buffer Overflow

EPSS: 0.001 (0.9th 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 Harmonyos — versions 5.1.0, 5.0.1

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

psirt@huawei.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-54633?: CVE-2025-54633 is a medium-severity vulnerability in Huawei Harmonyos, classified under Out-of-bounds Read. CVSS score: 6.7/10. Published 2025-08-06.
How severe is CVE-2025-54633?: Medium severity. CVSS v3 base score is 6.7 out of 10.
Is CVE-2025-54633 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.