CVE-2021-31609
MEDIUM
6.5
CVSS Score
Published: September 7, 2021 at 06:30 AM UTC
Updated: June 17, 2026 at 03:52 AM UTC
2 products affected across 1 vendorIwrapWt32I-A
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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.4%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCTechnical DescriptionThird Party Advisory
Source: [email protected]
https://dl.packetstormsecurity.net/papers/general/braktooth.pdfx_refsource_MISCProductVendor Advisory
Source: [email protected]
https://www.silabs.com/wireless/bluetooth/bluegiga-classic-legacy-modules/device.wt32i-aCVSS
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfo
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