CVE-2026-14297

The Continuous Glucose Monitoring Service's Record Access Control Point (RACP) write handler `memcpy`s the entire attacker-supplied ATT write value into a fixed 20-byte BSS buffer.

State: Published
Severity: 8.7 High
Published: Sep 7, 2026
Updated: Sep 8, 2026
Reserved: Jul 1, 2026

Read the record on cve.org

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	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	YesWeHack

Weaknesses

CWE-787 Out-of-bounds write

Affected Products

Product	Versions
nRF Connect SDKNordic Semiconductor ASA	2.2.0 through 3.3.0Affected

References

https://docs.nordicsemi.com/r/bundle/struct_sa/page/struct/sa.html

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.