Out-of-bounds Read in Huawei Harmonyos

CVE-2025-54648

Out-of-bounds read vulnerability in the SSAP module of the NearLink protocol stack. Impact: Successful exploitation of this vulnerability may affect availability.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

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

EPSS exploit prediction

EPSS: 0.001 (2.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 3rd percentile — 2.9% 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-2025-54648: held from 0.001 to 0.001.

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

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-54648?
CVE-2025-54648 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-2025-54648?
Medium severity. CVSS v3 base score is 5.4 out of 10.