CVE-2024-29155

Denial of service on Microchip RN4870 devices

Published Oct 16, 2024 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
On Microchip RN4870 devices, when more than one consecutive PairReqNoInputNoOutput request is
received, the device becomes incapable of completing the pairing
process. A third party can inject a second PairReqNoInputNoOutput request
just after a real one, causing the pair request to be blocked.

Remediation

Vendor Solution

Update to firmware version 1.44 or higher.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-26189 On Microchip RN4870 devices, when more than one consecutive PairReqNoInputNoOutput request is received, the device becomes incapable of completing the pairing process. A third party can inject a second PairReqNoInputNoOutput request just after a real one, causing the pair request to be blocked.
History
Type Values Removed Values Added
Weaknesses CWE-20
Type Values Removed Values Added
Weaknesses CWE-239
Type Values Removed Values Added
Metrics epss

{'score': 0.00068}

epss

{'score': 0.00075}

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description On Microchip RN4870 devices, when more than one consecutive PairReqNoInputNoOutput request is received, the device becomes incapable of completing the pairing process. A third party can inject a second PairReqNoInputNoOutput request just after a real one, causing the pair request to be blocked.
Title Denial of service on Microchip RN4870 devices
Weaknesses CWE-20
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Microchip
Published
Updated
Sep 2, 2025, 2:11 PM
Reserved
Mar 18, 2024, 6:11 AM
Status
Deferred
Published
Oct 16, 2024, 4:15 PM
Modified
Jun 17, 2026, 7:22 AM