CVE-2025-2329

5.3 mediumEPSS 0.2%

Medium (5.3). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.3 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 16% of CVEs (scores of 2026-10-31)
CWE: CWE-908
Published: 2025-07-25
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://community.silabs.com/069Vm00000SNyueIAD
https://github.com/SiliconLabs/gecko_sdk/releases
https://github.com/SiliconLabs/simplicity_sdk/releases

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