Totolink N300RT libapmib.so formWsc is_cmd_string_valid buffer overflow_CVE-2026-7218

{
    "lastseen": "",
    "description": "A vulnerability was detected in Totolink N300RT 3.4.0-B20250430. The impacted element is the function is_cmd_string_valid of the file /boafrm/formWsc of the component libapmib.so. Performing a manipulation of the argument localPin results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.",
    "published": "2026-04-28T02:45:13.239Z",
    "modified": "2026-04-28T02:45:13.239Z",
    "type": "cve",
    "title": "Totolink N300RT libapmib.so formWsc is_cmd_string_valid buffer overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/359818\nhttps://vuldb.com/vuln/359818/cti\nhttps://vuldb.com/submit/802127\nhttps://github.com/xiaohaiyang-ai/TOTOLINK-N300RT-Buffer-Overflow\nhttps://www.totolink.net/",
    "id": "CVE-2026-7218",
    "bulletinFamily": "",
    "cwe": [
        "CWE-120",
        "CWE-119"
    ],
    "cvelist": null,
    "sourceData": "Totolink N300RT 3.4.0-B20250430",
    "sourceHref": "",
    "cvss": {
        "score": 8.6,
        "severity": "HIGH",
        "vector": "CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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": "N300RT",
    "version": "3.4.0-B20250430",
    "vendor": "Totolink",
    "ai_description": "Buffer overflow vulnerability in Totolink N300RT via manipulation of the localPin argument in the is_cmd_string_valid function of the libapmib.so component.",
    "ai_severity": "High",
    "ai_vendor": "Totolink",
    "ai_product": "N300RT",
    "ai_version": "3.4.0-B20250430",
    "ai_score": 8.6
}