5.3Medium
CVE-2025-2329High traffic causes corrupt SPI packets in OpenThread leading to denial of service
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.
Weakness (CWE):
CWE-908
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| silabs.com | OpenThread | 2.5.0 – ≤ 2.5.2, 2.6.0 – ≤ 2.6.2, ≤ 2.4.6 |
References and patches
- https://github.com/SiliconLabs/simplicity_sdk/releases release-notes
- https://github.com/SiliconLabs/gecko_sdk/releases release-notes
- https://community.silabs.com/069Vm00000SNyueIAD vendor-advisory