CVE-2026-14297
Received Received - Intake

Buffer Overflow in Bluetooth CGMS RACP Write Handler

Publication date: 2026-09-07

Last updated on: 2026-09-07

Assigner: 30a5e7fb-040d-440a-8cdf-a4a2068ce72e

Description
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.

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Meta Information

Published
2026-09-07
Last Modified
2026-09-07
Generated
2026-09-07
AI Q&A
2026-09-07
EPSS Evaluated
N/A
NVD
CVE-2026-14297
EUVD
EUVD-2026-72299

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This is a buffer overflow vulnerability in the Bluetooth Continuous Glucose Monitoring Service (CGMS) Record Access Control Point (RACP) write handler. It allows an authenticated BLE peer to overflow a 20-byte static buffer into adjacent BSS memory. The impact depends on the firmware build's BSS layout, which varies.

Detection Guidance

This vulnerability cannot be reliably detected through standard commands due to its dependency on firmware BSS layout. The exploit requires an authenticated BLE peer and involves a buffer overflow in the Bluetooth CGMS RACP write handler. Network or system-level detection would require specialized firmware analysis or monitoring for abnormal Bluetooth service behavior.

Impact Analysis

An attacker could exploit this to execute arbitrary code or cause a denial of service on the affected device. Since the impact depends on memory layout, it may lead to unpredictable system behavior or crashes.

Compliance Impact

The vulnerability's impact on compliance with standards like GDPR or HIPAA cannot be determined from the provided CVE details. The exploitability depends on firmware-specific BSS memory layout, which varies and is not described in relation to data protection requirements.

Mitigation Strategies

Immediate mitigation requires disabling or restricting access to the Bluetooth Continuous Glucose Monitoring Service (CGMS) Record Access Control Point (RACP) write handler. Update firmware if a patch is available. Isolate affected devices from untrusted BLE peers and monitor for unusual Bluetooth activity.

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