CVE Tools

RN4870 Firmware

8 CVEs tracked. None of them is in CISA KEV.

This hub aggregates every CVE we track for RN4870 Firmware, a product in the hardware firmware space. Use it to gauge the current risk picture and drill into individual advisories.

RN4870 Firmware CVEs per month

Oct 2024 to Sep 2026. Point at a month, or focus the strip and use the arrow keys.
RN4870 Firmware CVEs per month
MonthCVEs
2024-100
2024-110
2024-120
2025-010
2025-020
2025-030
2025-040
2025-050
2025-060
2025-070
2025-080
2025-090
2025-100
2025-110
2025-120
2026-010
2026-020
2026-030
2026-040
2026-050
2026-060
2026-070
2026-080
2026-090

Severity

How the 8 CVEs score on CVSS. Severity is not exploitation: KEV is counted above.

  • High225%
  • Medium675%

Latest CVEs

The 8 most recently published vulnerabilities affecting RN4870 Firmware.

  1. CVE-2022-45192An issue was discovered on Microchip RN4870 1.43 devices. An attacker within BLE radio range can cause a denial of service by sending a cleartext encryption pause request.6.5
  2. CVE-2022-45190An issue was discovered on Microchip RN4870 1.43 devices. An attacker within BLE radio range can bypass passkey entry in the legacy pairing of the device.5.3
  3. CVE-2022-45191An issue was discovered on Microchip RN4870 1.43 devices. An attacker within BLE radio range can cause a denial of service by sending a pair confirm message with wrong values.6.5
  4. CVE-2022-46401The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) accepts PauseEncReqPlainText before pairing is complete.5.4
  5. CVE-2022-46402The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) accepts PairCon_rmSend with incorrect values.6.5
  6. CVE-2022-46403The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) mishandles reject messages.8.6
  7. CVE-2022-46400The 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.5.4
  8. CVE-2022-46399The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) is unresponsive with ConReqTimeoutZero.7.5

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