Vulnerability in Huawei Harmonyos

CVE-2026-28540

Out-of-bounds character read vulnerability in Bluetooth. Impact: Successful exploitation of this vulnerability may affect service confidentiality.

EPSS: 0.000 (0.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Huawei Harmonyos — versions 6.0.0, 5.1.0

Weakness classification (CWE)

CWE-158

References

Frequently asked questions

What is CVE-2026-28540?: CVE-2026-28540 is a medium-severity vulnerability in Huawei Harmonyos, classified under CWE-158. CVSS score: 4.0/10. Published 2026-03-05.
How severe is CVE-2026-28540?: Medium severity. CVSS v3 base score is 4.0 out of 10.