Auth bypass in Huawei Harmonyos

CVE-2025-48909

Bypass vulnerability in the device management channel Impact: Successful exploitation of this vulnerability may affect service confidentiality.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L.

EPSS exploit prediction

EPSS: 0.002 (3.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 4th percentile — 3.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-48909: held from 0.001 to 0.002.

EPSS over last 30 days · oldest: 0.001 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-48909?
CVE-2025-48909 is a high-severity vulnerability in Huawei Harmonyos, classified under Improper Authentication. CVSS score: 7.1/10. Published 2025-06-06.
How severe is CVE-2025-48909?
High severity. CVSS v3 base score is 7.1 out of 10.