PT-2026-1816 · Apache · Apache Nimble

CVE-2025-53477 · Published 2026-01-10 · Updated 2026-01-10

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Apache NimBLE versions through 1.8.0

Description A flaw exists in Apache NimBLE where missing validation of an HCI connection complete or HCI command TX buffer can result in a NULL pointer dereference. This issue requires disabled asserts and a malfunctioning Bluetooth controller, leading to a low severity assessment.

Recommendations Upgrade to version 1.9.0 to address the issue.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2025-53477

Affected Products

Apache Nimble

References · 9

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53477.json · Exploit
• https://github.com/apache/mynewt-nimble/commit/0caf9baeb271ede85fcc5237ab87ddbf938600da · Patch
• https://github.com/apache/mynewt-nimble/commit/3160b8c4c7ff8db4e0f9badcdf7df684b151e077 · Patch
• https://osv.dev/vulnerability/CVE-2025-53477 · Vendor Advisory
• https://lists.apache.org/thread/1dxthc132hwm2tzvjblrtnschcsbw2vo · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-53477 · Security Note
• https://t.me/CVEtracker/41939 · Telegram Post
• https://twitter.com/CVEnew/status/2009926038009049496 · Twitter Post
• http://openwall.com/lists/oss-security/2026/01/08/3 · Note