CVE-2026-65933
BT122 malformed packet with increased length field causes memory leak
A malformed Bluetooth connection request message can cause the BT122 to leak potentially sensitive information. See vulnerability B-E4 in the related paper below.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
BT122 malformed packet with increased length field causes memory leak
A malformed Bluetooth connection request message can cause the BT122 to leak potentially sensitive information. See vulnerability B-E4 in the related paper below.
- Record
CVE-2026-65933- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N - Weakness
- CWE-126
- Updated
- 2026-11-02
EUVDEUVD-2026-58079
A malformed Bluetooth connection request message can cause the BT122 to leak potentially sensitive information. See vulnerability B-E4 in the related paper below.
- Record
EUVD-2026-58079- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-pmcm-gw2w-hpxf
A malformed Bluetooth connection request message can cause the BT122 to leak potentially...
A malformed Bluetooth connection request message can cause the BT122 to leak potentially sensitive information. See vulnerability B-E4 in the related paper below.
- Record
GHSA-pmcm-gw2w-hpxf- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-126
- Updated
- 2026-11-02
NVD
A malformed Bluetooth connection request message can cause the BT122 to leak potentially sensitive information. See vulnerability B-E4 in the related paper below.
- Record
CVE-2026-65933- CVSS 4.0
- 5.3 Medium
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - Weakness
- CWE-126
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-65933 is a medium vulnerability (CVSS 5.3) in Silabs.com Bt122, published August 13, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 16th percentile. No source names a fixed version.