Wavlink WL-NU516U1 adm.cgi sub_406194 stack-based overflow_CVE-2026-2566

{
    "lastseen": "",
    "description": "A security vulnerability has been detected in Wavlink WL-NU516U1 up to 130/260. This affects the function sub_406194 of the file /cgi-bin/adm.cgi. Such manipulation of the argument firmware_url leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.",
    "published": "2026-02-16T17:02:06.381Z",
    "modified": "2026-02-16T17:02:06.381Z",
    "type": "cve",
    "title": "Wavlink WL-NU516U1 adm.cgi sub_406194 stack-based overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.346173\nhttps://vuldb.com/?ctiid.346173\nhttps://vuldb.com/?submit.751908\nhttps://github.com/Wlz1112/Wavlink-NU516U1-V251208-/blob/main/firmware_url.md",
    "id": "CVE-2026-2566",
    "bulletinFamily": "",
    "cwe": [
        "CWE-121",
        "CWE-119"
    ],
    "cvelist": null,
    "sourceData": "Wavlink WL-NU516U1 130\nWavlink WL-NU516U1 260",
    "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": "130/260",
    "vendor": "Wavlink",
    "ai_description": "Stack-based buffer overflow vulnerability in Wavlink WL-NU516U1 via the firmware_url argument in the adm.cgi file",
    "ai_severity": "High",
    "ai_vendor": "Wavlink",
    "ai_product": "WL-NU516U1",
    "ai_version": "130, 260",
    "ai_score": 8.6
}