Tcg2Smm: improper input validation may lead to arbitrary code execution_CVE-2025-4277

{
    "lastseen": "",
    "description": "Tcg2Smm has a vulnerability which can be used to write arbitrary memory inside SMRAM and execute arbitrary code at SMM level.",
    "published": "2025-08-13T01:46:22.998Z",
    "modified": "2025-08-14T05:54:24.230Z",
    "type": "cve",
    "title": "Tcg2Smm: improper input validation may lead to arbitrary code execution",
    "source": "Insyde",
    "references": "https://www.insyde.com/security-pledge/sa-2025005/",
    "id": "CVE-2025-4277",
    "bulletinFamily": "",
    "cwe": [
        "CWE-20"
    ],
    "cvelist": null,
    "sourceData": "Insyde Software InsydeH2O Kernel 5.2\nInsyde Software InsydeH2O Kernel 5.3\nInsyde Software InsydeH2O Kernel 5.4\nInsyde Software InsydeH2O Kernel 5.5\nInsyde Software InsydeH2O Kernel 5.6\nInsyde Software InsydeH2O Kernel 5.7",
    "sourceHref": "",
    "cvss": {
        "score": 7.5,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H",
        "version": "3.1"
    },
    "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": "InsydeH2O",
    "version": "Kernel 5.2",
    "vendor": "Insyde Software",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}