{
    "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2021-28839",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "product_name": "n/a",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "n/a"
                                        }
                                    ]
                                }
                            }
                        ]
                    },
                    "vendor_name": "n/a"
                }
            ]
        }
    },
    "data_format": "MITRE",
    "data_type": "CVE",
    "data_version": "4.0",
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Null Pointer Dereference vulnerability exists in D-Link DAP-2310 2.07.RC031, DAP-2330 1.07.RC028, DAP-2360 2.07.RC043, DAP-2553 3.06.RC027, DAP-2660 1.13.RC074, DAP-2690 3.16.RC100, DAP-2695 1.17.RC063, DAP-3320 1.01.RC014 and DAP-3662 1.01.RC022 in the upload_certificate function of sbin/httpd binary. When the binary handle the specific HTTP GET request, the strrchr in the upload_certificate function would take NULL as first argument, and incur the NULL pointer dereference vulnerability."
            }
        ]
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "n/a"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "url": "https://www.dlink.com/en/security-bulletin/",
                "refsource": "MISC",
                "name": "https://www.dlink.com/en/security-bulletin/"
            },
            {
                "url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf",
                "refsource": "MISC",
                "name": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve.pdf"
            },
            {
                "url": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf",
                "refsource": "MISC",
                "name": "https://github.com/zyw-200/EQUAFL/blob/main/dlink-email-cve2.pdf"
            }
        ]
    }
}