{
    "CVE_data_meta": {
        "ASSIGNER": "trellixpsirt@trellix.com",
        "ID": "CVE-2022-43972",
        "STATE": "PUBLIC",
        "TITLE": "Null pointer dereference in Linksys WRT54GL"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "WRT54GL Wireless-G Broadband Router",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<=",
                                            "version_name": "Firmware",
                                            "version_value": "4.30.18.006"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "Linksys"
                }
            ]
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Jessie Chick of Trellix ARC"
        }
    ],
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A null pointer dereference vulnerability exists in Linksys WRT54GL Wireless-G Broadband Router with firmware <= 4.30.18.006. A null pointer dereference in the soap_action function within the upnp binary can be triggered by an unauthenticated attacker via a malicious POST request invoking the AddPortMapping action."
            }
        ]
    },
    "generator": {
        "engine": "Vulnogram 0.0.9"
    },
    "impact": {
        "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "ADJACENT_NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "version": "3.1"
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-476: NULL Pointer Dereference"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://youtu.be/73-1lhvJPNg",
                "refsource": "CONFIRM",
                "url": "https://youtu.be/73-1lhvJPNg"
            },
            {
                "name": "https://youtu.be/TeWAmZaKQ_w",
                "refsource": "CONFIRM",
                "url": "https://youtu.be/TeWAmZaKQ_w"
            },
            {
                "name": "https://youtu.be/RfWVYCUBNZ0",
                "refsource": "CONFIRM",
                "url": "https://youtu.be/RfWVYCUBNZ0"
            }
        ]
    },
    "source": {
        "discovery": "EXTERNAL"
    }
}