Vulnerability · Published Oct 16, 2024 · Assigned by Microchip
CVE-2024-29155Denial of service on Microchip RN4870 devices
Medium 4.3
In plain English
A medium-severity security flaw in RN4870 from Microchip. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities).
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.2%top 85.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
Weakness: CWE-239 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
References
- https://www.microchip.com/en-us/product/rn4870 product
- https://ww1.microchip.com/downloads/aemDocuments/documents/WSG/ProductDocuments/SoftwareLibraries/Firmware/RN4870-71-Firmware-1.44.zip release-notes, product, technical-description