Totolink A8000RU Web Management cstecgi.cgi setL2tpServerCfg os command injection_CVE-2026-9436

{
    "lastseen": "",
    "description": "A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. The impacted element is the function setL2tpServerCfg of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. Executing a manipulation of the argument enable can lead to os command injection. The attack can be executed remotely. The exploit has been published and may be used.",
    "published": "2026-05-25T07:00:25.325Z",
    "modified": "2026-05-25T07:00:25.325Z",
    "type": "cve",
    "title": "Totolink A8000RU Web Management cstecgi.cgi setL2tpServerCfg os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/365417\nhttps://vuldb.com/vuln/365417/cti\nhttps://vuldb.com/submit/813909\nhttps://vuldb.com/submit/813461\nhttps://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_357/README.md\nhttps://www.totolink.net/",
    "id": "CVE-2026-9436",
    "bulletinFamily": "",
    "cwe": [
        "CWE-78",
        "CWE-77"
    ],
    "cvelist": null,
    "sourceData": "Totolink A8000RU 7.1cu.643_b20200521",
    "sourceHref": "",
    "cvss": {
        "score": 9.3,
        "severity": "CRITICAL",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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": "A8000RU",
    "version": "7.1cu.643_b20200521",
    "vendor": "Totolink",
    "ai_description": "OS command injection vulnerability in Totolink A8000RU Web Management Interface via the setL2tpServerCfg function, allowing remote attackers to execute arbitrary commands.",
    "ai_severity": "Critical",
    "ai_vendor": "Totolink",
    "ai_product": "A8000RU",
    "ai_version": "7.1cu.643_b20200521",
    "ai_score": 9.3
}