CVE-2022-46400
MEDIUM
5.4
CVSS Score
Published: December 19, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 05:11 AM UTC
18 products affected across 1 vendorRN4870 FirmwareRN4871 FirmwareBM70 Firmware
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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.6%
SSVC
No known exploit
Description
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) allows attackers to bypass passkey entry in legacy pairing.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
microchip-pic-lightblue-explorer-demo (same device)
Bm70· Microchipdevice
80%All versions
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
ExploitTechnical DescriptionThird Party Advisory
Source: [email protected]
https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYMThird Party Advisory
Source: [email protected]
https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExGSSVC — Action Prioritization
SSVCNo known exploitNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
5.4MEDIUMCISA-ADP
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- LOW
- Availability
- LOW
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-287
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