CVE-2025-2329

Published Jul 25, 2025 Modified Apr 15, 2026 CWE-908

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 Type (CWE)

CWE-908 CWE-908

References

Frequently Asked Questions

What is CVE-2025-2329? +
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.
How do I check if I'm vulnerable to CVE-2025-2329? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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