CVE-2024-29155: microchip rn4870_firmware Failure to Handle Incomplete Element
CVSS: 4.3v3.1MediumDeferred
Published 16-10-2024Last modified 02-09-2025
Vulnerability summary
CVE-2024-29155 is a medium (CVSS 4.3) Failure to Handle Incomplete Element vulnerability in microchip rn4870_firmware. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.4% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)EPSS score
0.23%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 16-10-2024PublishedVulnerability first disclosed.
- 02-09-2025Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 4.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LSourcesAll 2 agree
- NVDNIST4.3MediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
0.00 pp
From 0.23% on 20-09-2026
20-09-202620-10-2026
EPSS score0.23%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microchip1 product
- rn4870_firmware< 1.44
1 vendor · 1 product