Wavlink WL-NU516U1 nas.cgi sub_401218 stack-based overflow_CVE-2026-2567

{
    "lastseen": "",
    "description": "A vulnerability was detected in Wavlink WL-NU516U1 20251208. This vulnerability affects the function sub_401218 of the file /cgi-bin/nas.cgi. Performing a manipulation of the argument User1Passwd results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.",
    "published": "2026-02-16T17:32:05.929Z",
    "modified": "2026-02-16T17:32:05.929Z",
    "type": "cve",
    "title": "Wavlink WL-NU516U1 nas.cgi sub_401218 stack-based overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.346174\nhttps://vuldb.com/?ctiid.346174\nhttps://vuldb.com/?submit.752016\nhttps://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/nas.cgi_User1Passwd.md",
    "id": "CVE-2026-2567",
    "bulletinFamily": "",
    "cwe": [
        "CWE-121",
        "CWE-119"
    ],
    "cvelist": null,
    "sourceData": "Wavlink WL-NU516U1 20251208",
    "sourceHref": "",
    "cvss": {
        "score": 8.6,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P",
        "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": "WL-NU516U1",
    "version": "20251208",
    "vendor": "Wavlink",
    "ai_description": "Stack-based buffer overflow in Wavlink WL-NU516U1 nas.cgi",
    "ai_severity": "High",
    "ai_vendor": "Wavlink",
    "ai_product": "WL-NU516U1",
    "ai_version": "20251208",
    "ai_score": 8.6
}