Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-46401

20
FAUCET Score

CVE-2022-46401 describes a vulnerability in Microchip RN4870 module firmware 1.43 and the PIC LightBlue Explorer Demo 4.2 DT100112, where the device accepts unencrypted PauseEncReqPlainText messages before pairing is complete. Rated Medium (CVSS 5.4), this vulnerability has an adjacent attack vector and low attack complexity, potentially leading to limited integrity and availability impacts. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.43CPE matchmatch criteria
cpe:2.3:o:microchip:bm78_firmware:1.43:*:*:*:*:*:*:*
1.43CPE matchmatch criteria
cpe:2.3:o:microchip:bm83_firmware:1.43:*:*:*:*:*:*:*
1.43CPE matchmatch criteria
cpe:2.3:o:microchip:rn4870_firmware:1.43:*:*:*:*:*:*:*
1.43CPE matchmatch criteria
cpe:2.3:o:microchip:rn4871_firmware:1.43:*:*:*:*:*:*:*
1.43CPE matchmatch criteria
cpe:2.3:o:microchip:bm70_firmware:1.43:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.4MEDIUM

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
2.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.66%
Probability of exploitation in next 30 days
EPSS Percentile
47.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0066 is in the 75th percentile among its peer group of 1,802 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

microchip.com
Product
computer.org / csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM
ExploitTechnical DescriptionThird Party Advisory
computer.org / csdl/proceedings/sp/2023/1He7WWuJExG
Third Party Advisory
microchip.com / en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le
Vendor Advisory