{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-18607",
        "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "state": "PUBLISHED",
        "assignerShortName": "VulDB",
        "dateReserved": "2026-08-03T07:17:39.882Z",
        "datePublished": "2026-08-03T16:45:09.268Z",
        "dateUpdated": "2026-08-03T20:23:24.093Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
                "shortName": "VulDB",
                "dateUpdated": "2026-08-03T16:45:09.268Z"
            },
            "title": "Wavlink NU516 lighttpd upload.cgi strcpy stack-based overflow",
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "cweId": "CWE-121",
                            "lang": "en",
                            "description": "Stack-based Buffer Overflow"
                        }
                    ]
                },
                {
                    "descriptions": [
                        {
                            "type": "CWE",
                            "cweId": "CWE-119",
                            "lang": "en",
                            "description": "Memory Corruption"
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "vendor": "Wavlink",
                    "product": "WN572",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:wn572:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                },
                {
                    "vendor": "Wavlink",
                    "product": "WN570H",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:wn570h:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                },
                {
                    "vendor": "Wavlink",
                    "product": "WN573",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:wn573:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                },
                {
                    "vendor": "Wavlink",
                    "product": "WN529",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:wn529:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                },
                {
                    "vendor": "Wavlink",
                    "product": "WN530",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:wn530:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                },
                {
                    "vendor": "Wavlink",
                    "product": "WN531",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:wn531:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                },
                {
                    "vendor": "Wavlink",
                    "product": "WN535",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:wn535:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                },
                {
                    "vendor": "Wavlink",
                    "product": "etc. WN529",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:etc._wn529:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                },
                {
                    "vendor": "Wavlink",
                    "product": "WN530",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:wn530:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                },
                {
                    "vendor": "Wavlink",
                    "product": "WN531",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:wn531:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                },
                {
                    "vendor": "Wavlink",
                    "product": "WN535",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:wn535:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                },
                {
                    "vendor": "Wavlink",
                    "product": "WN536",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:wn536:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                },
                {
                    "vendor": "Wavlink",
                    "product": "WN551",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:wn551:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                },
                {
                    "vendor": "Wavlink",
                    "product": "WN557",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:wn557:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                },
                {
                    "vendor": "Wavlink",
                    "product": "NU516",
                    "versions": [
                        {
                            "version": "20260609",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:wavlink:nu516:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "lighttpd"
                    ]
                }
            ],
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A security vulnerability has been detected in Wavlink WN572, WN570H, WN573, WN529, WN530, WN531, WN535, etc. WN529, WN530, WN531, WN535, WN536, WN551, WN557 and NU516 up to 20260609. Affected by this issue is the function strcpy of the file upload.cgi of the component lighttpd. The manipulation of the argument HTTP_COOKIE leads to stack-based buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used."
                }
            ],
            "metrics": [
                {
                    "cvssV4_0": {
                        "version": "4.0",
                        "baseScore": 8.7,
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
                        "baseSeverity": "HIGH"
                    }
                },
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                    "cvssV3_1": {
                        "version": "3.1",
                        "baseScore": 8.8,
                        "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R",
                        "baseSeverity": "HIGH"
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                    "cvssV3_0": {
                        "version": "3.0",
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                        "baseSeverity": "HIGH"
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                    "cvssV2_0": {
                        "version": "2.0",
                        "baseScore": 9,
                        "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR"
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            ],
            "timeline": [
                {
                    "time": "2026-08-03T00:00:00.000Z",
                    "lang": "en",
                    "value": "Advisory disclosed"
                },
                {
                    "time": "2026-08-03T02:00:00.000Z",
                    "lang": "en",
                    "value": "VulDB entry created"
                },
                {
                    "time": "2026-08-03T09:22:45.000Z",
                    "lang": "en",
                    "value": "VulDB entry last update"
                }
            ],
            "credits": [
                {
                    "lang": "en",
                    "value": "0xcc12138 (VulDB User)",
                    "type": "reporter"
                }
            ],
            "references": [
                {
                    "url": "https://vuldb.com/vuln/385530",
                    "name": "VDB-385530 | Wavlink NU516 lighttpd upload.cgi strcpy stack-based overflow",
                    "tags": [
                        "vdb-entry",
                        "technical-description"
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                },
                {
                    "url": "https://vuldb.com/vuln/385530/cti",
                    "name": "VDB-385530 | CTI Indicators (IOB, IOC, IOA)",
                    "tags": [
                        "signature",
                        "permissions-required"
                    ]
                },
                {
                    "url": "https://vuldb.com/cve/CVE-2026-18607",
                    "name": "CVE-2026-18607 | CVE Analysis and Report",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://vuldb.com/submit/852637",
                    "name": "Submit #852637 | WAVLINK Multiple Router Series (WN572, WN570H, WN573, WN529, WN530, WN531, WN535, etc.) WN529, WN530, WN531, WN535, WN536, WN551, WN557, NU516,and so on Stack-based Buffer Overflow",
                    "tags": [
                        "third-party-advisory"
                    ]
                },
                {
                    "url": "https://github.com/0xcc12138/WAVLINK-vul",
                    "tags": [
                        "exploit"
                    ]
                }
            ],
            "x_generator": [
                "VulDB PVTS v202608"
            ]
        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "timestamp": "2026-08-03T20:22:57.235846Z",
                                "id": "CVE-2026-18607",
                                "options": [
                                    {
                                        "Exploitation": "poc"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "total"
                                    }
                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
                            }
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                    }
                ],
                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
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                    "shortName": "CISA-ADP",
                    "dateUpdated": "2026-08-03T20:23:24.093Z"
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}