Tenda TX9 setMacFilterCfg sub_4223E0 buffer overflow_CVE-2026-2140

{
    "lastseen": "",
    "description": "A vulnerability was identified in Tenda TX9 up to 22.03.02.10_multi. Affected by this issue is the function sub_4223E0 of the file /goform/setMacFilterCfg. Such manipulation of the argument deviceList leads to buffer overflow. The attack may be launched remotely. The exploit is publicly available and might be used.",
    "published": "2026-02-08T07:02:07.944Z",
    "modified": "2026-02-08T07:02:07.944Z",
    "type": "cve",
    "title": "Tenda TX9 setMacFilterCfg sub_4223E0 buffer overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/?id.344775\nhttps://vuldb.com/?ctiid.344775\nhttps://vuldb.com/?submit.747251\nhttps://vuldb.com/?submit.749747\nhttps://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.md\nhttps://github.com/MRAdera/IoT-Vuls/blob/main/tenda/tx9%20pro/setMacFilterCfg.md#poc\nhttps://www.tenda.com.cn/",
    "id": "CVE-2026-2140",
    "bulletinFamily": "",
    "cwe": [
        "CWE-120",
        "CWE-119"
    ],
    "cvelist": null,
    "sourceData": "Tenda TX9 22.03.02.10_multi",
    "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": "TX9",
    "version": "22.03.02.10_multi",
    "vendor": "Tenda",
    "ai_description": "Buffer overflow vulnerability in Tenda TX9 up to 22.03.02.10_multi via the setMacFilterCfg function, allowing remote attacks",
    "ai_severity": "High",
    "ai_vendor": "Tenda",
    "ai_product": "TX9",
    "ai_version": "22.03.02.10_multi",
    "ai_score": 8.7
}