Totolink NR1800X cstecgi.cgi sub_41A68C command injection_CVE-2026-7548

{
    "lastseen": "",
    "description": "A vulnerability was detected in Totolink NR1800X 9.1.0u.6279_B20210910. This affects the function sub_41A68C of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument setUssd results in command injection. The attack is possible to be carried out remotely. The exploit is now public and may be used.",
    "published": "2026-05-01T02:30:14.699Z",
    "modified": "2026-05-01T02:30:14.699Z",
    "type": "cve",
    "title": "Totolink NR1800X cstecgi.cgi sub_41A68C command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/360358\nhttps://vuldb.com/vuln/360358/cti\nhttps://vuldb.com/submit/804417\nhttps://github.com/newym/cve/blob/main/totolink%20nr1800x%20command%20injection.md\nhttps://www.totolink.net/",
    "id": "CVE-2026-7548",
    "bulletinFamily": "",
    "cwe": [
        "CWE-77",
        "CWE-74"
    ],
    "cvelist": null,
    "sourceData": "Totolink NR1800X 9.1.0u.6279_B20210910",
    "sourceHref": "",
    "cvss": {
        "score": 8.7,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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": "NR1800X",
    "version": "9.1.0u.6279_B20210910",
    "vendor": "Totolink",
    "ai_description": "Command injection vulnerability in Totolink NR1800X via manipulation of the setUssd argument in the cstecgi.cgi file",
    "ai_severity": "High",
    "ai_vendor": "Totolink",
    "ai_product": "NR1800X",
    "ai_version": "9.1.0u.6279_B20210910",
    "ai_score": 8.7
}