CVE-2022-46403
HIGH
8.6
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
HIGH8.6
Exploit prediction
EPSS 0.9%
SSVC
No known exploit
Description
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) mishandles reject messages.
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 exploitAutomatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
8.6HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality
- NONE
- Integrity
- HIGH
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-755
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