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CVE-2021-31609

nvd nist
Published: Sep 7, 2021Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 2.8 / Impact: 3.6
Source: NVD

Description

The Bluetooth Classic implementation in Silicon Labs iWRAP 6.3.0 and earlier does not properly handle the reception of an oversized LMP packet greater than 17 bytes, allowing attackers in radio range to trigger a crash in WT32i via a crafted LMP packet.

Affected (1)

Products: Silabs: Iwrap
Silabs
1 product
Iwrap
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Iwrap
Up to 6.3.0
Running on/withPlatform Versions
Silabs
Wt32i A
All versions

References (4)

Source: cve@mitre.org
Technical DescriptionThird Party Advisory
Source: cve@mitre.org
ProductVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Technical DescriptionThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ProductVendor Advisory

Timeline

No history available yet.