CVE-2025-2329
Medium
Description
In high traffic environments, a Silicon Labs OpenThread RCP (see impacted versions) fails to clear the SPI transmit buffer and may send a corrupt packet over SPI to its host, causing the host to reset the RCP which results in a denial of service.
SeverityMedium
CVSS5.3
Exploit probability—
ProductOpenThread
PublishedJul 25, 2025
First seenJul 25, 2025
Weakness typeCWE-908CWE-908
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| silabs.com OpenThread | 2.5.0 ≤ v ≤ 2.5.2, 2.6.0 ≤ v ≤ 2.6.2, v ≤ 2.4.6 | — |
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