Out-of-bounds Read in Huawei Harmonyos

CVE-2025-54609

Out-of-bounds access vulnerability in the audio codec module. Impact: Successful exploitation of this vulnerability may affect availability.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (7.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N.

Affected products

Huawei Harmonyos — versions 5.1.0, 5.0.1

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

psirt@huawei.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-54609?: CVE-2025-54609 is a medium-severity vulnerability in Huawei Harmonyos, classified under Out-of-bounds Read. CVSS score: 5.4/10. Published 2025-08-06.
How severe is CVE-2025-54609?: Medium severity. CVSS v3 base score is 5.4 out of 10.