TI-2022-22256 Aliases CVE-2022-45191 GHSA-rcw3-69hq-m8x4

An issue was discovered on Microchip RN4870 1.43 devices.

LOW 28CWE-354Published 2023-02-07 · Updated 2025-03-25

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

An 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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00201 10th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:microchip:rn4870_firmware:1.43:::::::*	1.43	Vulnerable	Microchip
cpe:2.3:h:microchip:rn4870:-:::::::*	not specified by NVD	Running on	Microchip

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

2026-10-02 Threatist record created from CVE-2022-45191
2026-10-03 Alias added: GHSA-rcw3-69hq-m8x4

References

Other 1

https://www.microchip.com/en-us/support/product-change-notification

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-2022-22932 The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo… CVSS 3.1MEDIUM 5.4
TI-2022-22931 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