High traffic causes corrupt SPI packets in OpenThread leading to denial of service_CVE-2025-2329

{
    "lastseen": "",
    "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,\u00a0 causing the host to reset the RCP which results in a denial of service.",
    "published": "2025-07-25T15:49:40.236Z",
    "modified": "2025-08-04T18:31:49.556Z",
    "type": "cve",
    "title": "High traffic causes corrupt SPI packets in OpenThread leading to denial of service",
    "source": "Silabs",
    "references": "https://github.com/SiliconLabs/simplicity_sdk/releases\nhttps://github.com/SiliconLabs/gecko_sdk/releases\nhttps://community.silabs.com/069Vm00000SNyueIAD",
    "id": "CVE-2025-2329",
    "bulletinFamily": "",
    "cwe": [
        "CWE-908"
    ],
    "cvelist": null,
    "sourceData": "silabs.com OpenThread 2.5.0\nsilabs.com OpenThread 2.6.0\nsilabs.com OpenThread 0",
    "sourceHref": "",
    "cvss": {
        "score": 5.3,
        "severity": "MEDIUM",
        "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",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "OpenThread",
    "version": "2.5.0",
    "vendor": "silabs.com",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}