CVE-2025-53477

Severity
7.5HIGH
EPSS
0.4%
top 41.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 10

Description

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 controller and thus severity is considered low. This issue affects Apache NimBLE: through 1.8.0. Users are recommended to upgrade to version 1.9.0, which fixes the issue.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

Patches

🔴Vulnerability Details

2
CVEList
Apache Mynewt NimBLE: NULL Pointer Dereference in NimBLE host HCI layer2026-01-10
GHSA
GHSA-6phw-p8vc-q8gp: NULL Pointer Dereference vulnerability in Apache Nimble2026-01-10

🕵️Threat Intelligence

1
Wiz
CVE-2025-53477 Impact, Exploitability, and Mitigation Steps | Wiz