Totolink A8000RU CGI cstecgi.cgi setWizardCfg os command injection_CVE-2026-7121

{
    "lastseen": "",
    "description": "A flaw has been found in Totolink A8000RU 7.1cu.643_b20200521. This affects the function setWizardCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. This manipulation of the argument wizard causes os command injection. It is possible to initiate the attack remotely. The exploit has been published and may be used.",
    "published": "2026-04-27T11:45:11.867Z",
    "modified": "2026-04-27T11:45:11.867Z",
    "type": "cve",
    "title": "Totolink A8000RU CGI cstecgi.cgi setWizardCfg os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/359720\nhttps://vuldb.com/vuln/359720/cti\nhttps://vuldb.com/submit/800933\nhttps://github.com/Litengzheng/vuldb_new2/blob/main/A8000RU/vul_306/README.md\nhttps://www.totolink.net/",
    "id": "CVE-2026-7121",
    "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 via the setWizardCfg function in the /cgi-bin/cstecgi.cgi file, 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
}