Totolink A7100RU CGI cstecgi.cgi setWiFiBasicCfg os command injection_CVE-2026-5977

{
    "lastseen": "",
    "description": "A weakness has been identified in Totolink A7100RU 7.4cu.2313_b20191024. This impacts the function setWiFiBasicCfg of the file /cgi-bin/cstecgi.cgi of the component CGI Handler. Executing a manipulation of the argument wifiOff can lead to os command injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.",
    "published": "2026-04-09T20:15:14.227Z",
    "modified": "2026-04-09T20:15:14.227Z",
    "type": "cve",
    "title": "Totolink A7100RU CGI cstecgi.cgi setWiFiBasicCfg os command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/356531\nhttps://vuldb.com/vuln/356531/cti\nhttps://vuldb.com/submit/791823\nhttps://github.com/Litengzheng/vuldb_new/blob/main/A7100RU/vul_163/README.md\nhttps://www.totolink.net/",
    "id": "CVE-2026-5977",
    "bulletinFamily": "",
    "cwe": [
        "CWE-78",
        "CWE-77"
    ],
    "cvelist": null,
    "sourceData": "Totolink A7100RU 7.4cu.2313_b20191024",
    "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": "A7100RU",
    "version": "7.4cu.2313_b20191024",
    "vendor": "Totolink",
    "ai_description": "OS command injection vulnerability in Totolink A7100RU via the setWiFiBasicCfg function in the /cgi-bin/cstecgi.cgi file, allowing remote attackers to execute arbitrary commands.",
    "ai_severity": "Critical",
    "ai_vendor": "Totolink",
    "ai_product": "A7100RU",
    "ai_version": "7.4cu.2313_b20191024",
    "ai_score": 9.3
}