Totolink A7000R cstecgi.cgi setUpgradeFW command injection_CVE-2026-1623

{
    "lastseen": "",
    "description": "A weakness has been identified in Totolink A7000R 4.1cu.4154. Impacted is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi. This manipulation of the argument FileName causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be used for attacks.",
    "published": "2026-01-29T20:32:08.374Z",
    "modified": "2026-01-29T21:19:26.419Z",
    "type": "cve",
    "title": "Totolink A7000R cstecgi.cgi setUpgradeFW command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.343382\nhttps://vuldb.com/?ctiid.343382\nhttps://vuldb.com/?submit.740767\nhttps://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/04_RCE_setUpgradeFW_RCE.md\nhttps://github.com/xyh4ck/iot_poc/blob/main/TOTOLINK/A7000R/04_RCE_setUpgradeFW_RCE.md#poc\nhttps://www.totolink.net/",
    "id": "CVE-2026-1623",
    "bulletinFamily": "",
    "cwe": [
        "CWE-77",
        "CWE-74"
    ],
    "cvelist": null,
    "sourceData": "Totolink A7000R 4.1cu.4154",
    "sourceHref": "",
    "cvss": {
        "score": 5.3,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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": "A7000R",
    "version": "4.1cu.4154",
    "vendor": "Totolink",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}