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.
History

Mon, 04 Aug 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 25 Jul 2025 16:00:00 +0000

Type Values Removed Values Added
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.
Title High traffic causes corrupt SPI packets in OpenThread leading to denial of service
Weaknesses CWE-908
References
Metrics cvssV4_0

{'score': 5.3, '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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: Silabs

Published: 2025-07-25T15:49:40.236Z

Updated: 2025-08-04T18:31:49.556Z

Reserved: 2025-03-14T20:34:24.610Z

Link: CVE-2025-2329

cve-icon Vulnrichment

Updated: 2025-07-25T18:02:15.271Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-07-25T16:15:28.163

Modified: 2025-07-29T14:14:55.157

Link: CVE-2025-2329

cve-icon Redhat

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