---
id: CVE-2026-14297
title: |-
  A buffer overflow in the Bluetooth Continuous Glucose
       Monitoring Service (CGMS) Record Access Control Point (RACP) write handler
       allows an authenticated BLE peer to overflow a 20-byte static buffer into
       adjacent BSS memory…
summary: |-
  A buffer overflow in the Bluetooth Continuous Glucose
       Monitoring Service (CGMS) Record Access Control Point (RACP) write handler
       allows an authenticated BLE peer to overflow a 20-byte static buffer into
       adjacent BSS memory…
severity: high
cvss: 8.7
cvssVector: 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'
cwe:
  - CWE-787
vendor: Nordic Semiconductor ASA
product: nRF Connect SDK
affected:
  - nrf_connect_sdk >= 2.2.0 <= 3.3.0
published: '2026-09-07'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T15:50:19.447'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-14297'
references:
  - url: 'https://docs.nordicsemi.com/r/bundle/struct_sa/page/struct/sa.html'
    label: 30a5e7fb-040d-440a-8cdf-a4a2068ce72e
tags:
  - nvd
  - cve.org
epss: 0.00155
epssPercentile: 0.03958
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-08T15:00:48.275486Z'
cvssSource: cna
ingestedAt: '2026-09-08T15:33:26.975Z'
---

## Overview

A buffer overflow in the Bluetooth Continuous Glucose
     Monitoring Service (CGMS) Record Access Control Point (RACP) write handler
     allows an authenticated BLE peer to overflow a 20-byte static buffer into
     adjacent BSS memory. The exploitable impact cannot be predetermined - it
     is entirely dependent on the linker-assigned BSS layout of the specific
     firmware build, which may vary.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.