Microchip RN4870 up to 1.43 PairReqNoInputNoOutput denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Microchip RN4870 up to 1.43 and classified as problematic. This affects the function PairReqNoInputNoOutput. The manipulation results in denial of service.
This vulnerability is reported as CVE-2024-29155. The attacker must have access to the local network to execute the attack. No exploit exists.
It is suggested to upgrade the affected component.
Details
A vulnerability was found in Microchip RN4870 up to 1.43. It has been classified as problematic. Affected is the function PairReqNoInputNoOutput. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:
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.
The weakness was disclosed by Tianwei Wu. The advisory is available at microchip.com. This vulnerability is traded as CVE-2024-29155 since 03/18/2024. The exploitability is told to be easy. The attack needs to be initiated within the local network. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.
Upgrading to version 1.44 eliminates this vulnerability.
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Product
Vendor
Name
Version
- 1.0
- 1.1
- 1.2
- 1.3
- 1.4
- 1.5
- 1.6
- 1.7
- 1.8
- 1.9
- 1.10
- 1.11
- 1.12
- 1.13
- 1.14
- 1.15
- 1.16
- 1.17
- 1.18
- 1.19
- 1.20
- 1.21
- 1.22
- 1.23
- 1.24
- 1.25
- 1.26
- 1.27
- 1.28
- 1.29
- 1.30
- 1.31
- 1.32
- 1.33
- 1.34
- 1.35
- 1.36
- 1.37
- 1.38
- 1.39
- 1.40
- 1.41
- 1.42
- 1.43
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.2
VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CNA Base Score: 4.3
CNA Vector (Microchip): 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Partially
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: RN4870 1.44
Timeline
03/18/2024 🔍10/16/2024 🔍
10/16/2024 🔍
08/30/2025 🔍
Sources
Advisory: microchip.comResearcher: Tianwei Wu
Status: Confirmed
CVE: CVE-2024-29155 (🔍)
GCVE (CVE): GCVE-0-2024-29155
GCVE (VulDB): GCVE-100-280662
Entry
Created: 10/16/2024 18:09Updated: 08/30/2025 04:11
Changes: 10/16/2024 18:09 (65), 08/30/2025 04:11 (1)
Complete: 🔍
Cache ID: 216::103
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