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TI-2022-22255 Aliases CVE-2022-45190GHSA-72p2-44h3-94c6

An issue was discovered on Microchip RN4870 1.43 devices.

Priority LOW 24CWE-306Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Security bypass
Confidentiality · integrity · availability
None · High · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-306.

Summary

An 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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00257 17th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:microchip:rn4870_firmware:1.43:*:*:*:*:*:*:*1.43VulnerableMicrochip
cpe:2.3:h:microchip:rn4870:-:*:*:*:*:*:*:*not specified by NVDRunning onMicrochip
  • cpe:2.3:o:microchip:rn4870_firmware:1.43:*:*:*:*:*:*:* Versions 1.43 Vulnerable ·Microchip
  • cpe:2.3:h:microchip:rn4870:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microchip

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-45190
  2. 2026-10-03 Alias added: GHSA-72p2-44h3-94c6

References

Advisory 1

  • TI-2022-22934 The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo… CVSS 3.1HIGH 8.6
  • TI-2022-22930 The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo… CVSS 3.1HIGH 7.5
  • TI-2022-22933 The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo… CVSS 3.1MEDIUM 6.5
  • TI-2022-22257 An issue was discovered on Microchip RN4870 1.43 devices. CVSS 3.1MEDIUM 6.5
  • TI-2022-22256 An issue was discovered on Microchip RN4870 1.43 devices. CVSS 3.1MEDIUM 6.5
  • TI-2022-22932 The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo… CVSS 3.1MEDIUM 5.4
See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences