CVE-2026-65933
Received Received - Intake

Bluetooth Information Leak in Silicon Labs BT122

Publication date: 2026-08-13

Last updated on: 2026-08-13

Assigner: Silicon Graphics (SGI)

Description
A malformed Bluetooth connection request message can cause the BT122 to leak potentially sensitive information. See vulnerability B-E4 in the related paper below.

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Meta Information

Published
2026-08-13
Last Modified
2026-08-13
Generated
2026-09-03
AI Q&A
2026-08-13
EPSS Evaluated
2026-09-01
NVD
CVE-2026-65933
EUVD
EUVD-2026-58079

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
silicon_labs bt122 *

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-126 The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.

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Executive Summary

This vulnerability involves a malformed Bluetooth connection request message that can cause the BT122 device to leak potentially sensitive information. It is referenced as vulnerability B-E4 in a related paper.

Detection Guidance

This vulnerability involves a malformed Bluetooth connection request message on Silicon Labs BT122 devices. Detection requires monitoring Bluetooth traffic for malformed connection requests or inspecting device logs for unusual behavior. Use Bluetooth sniffing tools like hcidump or btmon to capture and analyze Bluetooth traffic for anomalies.

Impact Analysis

The vulnerability may lead to unauthorized disclosure of sensitive data due to improper handling of Bluetooth connection requests by the BT122 device.

Compliance Impact

The vulnerability involves potential leakage of sensitive information via malformed Bluetooth messages. This could lead to unauthorized data exposure, which may violate GDPR (if personal data is involved) or HIPAA (if health-related data is compromised). Compliance risks depend on the nature of the leaked data and organizational safeguards.

Mitigation Strategies

Update the BT122 firmware to the latest version provided by Silicon Labs to address the Bluetooth connection request message vulnerability.

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