VulnerabilityModified
CVE-2022-46399
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) is unresponsive with ConReqTimeoutZero.
HIGH 7.5EPSS 0.75%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.75%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) is unresponsive with ConReqTimeoutZero.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.75% probability · 53th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-400
- Affected
- microchip/bm78 firmware · microchip/bm83 firmware · microchip/rn4870 firmware · microchip/rn4871 firmware · microchip/bm70 firmware · microchip/bm71 firmware · microchip/pic lightblue explorer demo firmware · microchip/bm64 firmware · microchip/bm77 firmware · microchip/is1870 firmware · microchip/is1871 firmware · microchip/rn4678 firmware · microchip/pic32cx1012bz25048 firmware · microchip/wbz451 firmware
- Source
- cve@mitre.org
References
- https://microchip.comProduct
- https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYMExploit, Technical Description, Third Party Advisory
- https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExGThird Party Advisory
- https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-leVendor Advisory
- https://microchip.comProduct
- https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYMExploit, Technical Description, Third Party Advisory
- https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExGThird Party Advisory
- https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-leVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.