Tenda CX12L Wi-Fi Configuration Endpoint fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflow_CVE-2026-11503

{
    "lastseen": "",
    "description": "A security vulnerability has been detected in Tenda CX12L 16.03.53.12. The affected element is the function form_fast_setting_wifi_set of the file /goform/fast_setting_wifi_set of the component Wi-Fi Configuration Endpoint. Such manipulation of the argument ssid leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.",
    "published": "2026-06-08T09:45:12.620Z",
    "modified": "2026-06-08T09:45:12.620Z",
    "type": "cve",
    "title": "Tenda CX12L Wi-Fi Configuration Endpoint fast_setting_wifi_set form_fast_setting_wifi_set stack-based overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/369123\nhttps://vuldb.com/vuln/369123/cti\nhttps://vuldb.com/cve/CVE-2026-11503\nhttps://vuldb.com/submit/835648\nhttps://github.com/cve-a/moist/issues/1\nhttps://www.tenda.com.cn/",
    "id": "CVE-2026-11503",
    "bulletinFamily": "",
    "cwe": [
        "CWE-121",
        "CWE-119"
    ],
    "cvelist": null,
    "sourceData": "Tenda CX12L 16.03.53.12",
    "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": "CX12L",
    "version": "16.03.53.12",
    "vendor": "Tenda",
    "ai_description": "Stack-based buffer overflow in the Wi-Fi Configuration Endpoint of Tenda CX12L via the form_fast_setting_wifi_set function, allowing remote attackers to exploit the vulnerability.",
    "ai_severity": "High",
    "ai_vendor": "Tenda",
    "ai_product": "CX12L",
    "ai_version": "16.03.53.12",
    "ai_score": 8.7
}