CVE Details
Basic Information
| Title | High traffic causes corrupt SPI packets in OpenThread leading to denial of service |
|---|---|
| Type | cve |
| Published | 2025-07-25T15:49:40.236Z |
| Modified | 2025-07-25T15:49:40.236Z |
Product Information
| Vendor | silabs.com |
|---|---|
| Product | OpenThread |
| Version | 2.5.0 |
CVSS Information
| Base Score | 5.3 (MEDIUM) |
|---|---|
| Attack Vector | CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N |
Affected Products
- silabs.com OpenThread 2.5.0
- silabs.com OpenThread 2.6.0
- silabs.com OpenThread 0
Additional Information
| CWE List | CWE-908 |
|---|---|
| Source | Silabs |
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.