CVE-2022-46403 json
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) mishandles reject messages.
published 2022-12-19 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-49212
- cvss
- 8.6
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.9%
- EPSS 0.9% chance of exploitation in 30 days, percentile 59%
- public exploits
- 0
- none known
Summary
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) mishandles reject messages.
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
0.89% chance of exploitation in the next 30 days, higher than 59% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- computer.org https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N |
| NVD | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N |
| CNA | 3.1 | 8.6 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N |
Classification
- Weakness
-
- CWE-755 Improper Handling of Exceptional Conditions
References
-
computer.org
/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM
exploit, technical-description, third-party-advisory
-
microchip.com
/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le
vendor-advisory
-
computer.org
/csdl/proceedings/sp/2023/1He7WWuJExG
third-party-advisory
-
microchip.com
product
Sources
- CVE List CVE-2022-46403
- NVD CVE-2022-46403
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