What is CVE-2025-53477?

CVE-2025-53477 is a high-severity vulnerability in Apache Nimble, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-01-10.

How severe is CVE-2025-53477?

High severity. CVSS v3 base score is 7.5 out of 10.

NULL pointer dereference in Apache Nimble

CVE-2025-53477

NULL Pointer Dereference vulnerability in Apache Nimble. Missing validation of HCI connection complete or HCI command TX buffer could lead to NULL pointer dereference. This issue requires disabled asserts and broken or bogus Bluetooth con…

EPSS: 0.007 (48.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Apache Nimble
Apache Software Foundation Mynewt Nimble — versions 0

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

security@apache.org (Patch, patch)
security@apache.org (Patch, patch)
security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2025-53477?: CVE-2025-53477 is a high-severity vulnerability in Apache Nimble, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2026-01-10.
How severe is CVE-2025-53477?: High severity. CVSS v3 base score is 7.5 out of 10.