Wavlink WL-WN530H4 internet.cgi snprintf os command injection_CVE-2026-6483

{
    "lastseen": "",
    "description": "A vulnerability was found in Wavlink WL-WN530H4 20220721. This vulnerability affects the function strcat/snprintf of the file /cgi-bin/internet.cgi. The manipulation results in os command injection. It is possible to launch the attack remotely. The exploit has been made public and could be used. Upgrading to version 2026.04.16 is able to resolve this issue. Upgrading the affected component is recommended.",
    "published": "2026-04-17T10:30:17.119Z",
    "modified": "2026-04-17T10:53:26.356Z",
    "type": "cve",
    "title": "Wavlink WL-WN530H4 internet.cgi snprintf os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/358021\nhttps://vuldb.com/vuln/358021/cti\nhttps://vuldb.com/submit/783055\nhttps://github.com/dxz0069/WAVLINK-WN530H4-Command-Injection-in-set_add_routing/blob/main/vuldb_submission_report.md\nhttps://dl.wavlink.com/firmware/RD/root_uImage_WN530H4-A_2026.04.16.bin",
    "id": "CVE-2026-6483",
    "bulletinFamily": "",
    "cwe": [
        "CWE-78",
        "CWE-77"
    ],
    "cvelist": null,
    "sourceData": "Wavlink WL-WN530H4 20220721",
    "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-WN530H4",
    "version": "20220721",
    "vendor": "Wavlink",
    "ai_description": "OS command injection vulnerability in Wavlink WL-WN530H4 via the internet.cgi file, allowing remote attackers to execute arbitrary commands.",
    "ai_severity": "High",
    "ai_vendor": "Wavlink",
    "ai_product": "WL-WN530H4",
    "ai_version": "20220721",
    "ai_score": 8.6
}