Totolink N300RH POST Request cstecgi.cgi setMacFilterRules buffer overflow_CVE-2026-7750

{
    "lastseen": "",
    "description": "A vulnerability was detected in Totolink N300RH 3.2.4-B20220812. This vulnerability affects the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument mac_address results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.",
    "published": "2026-05-04T09:00:17.932Z",
    "modified": "2026-05-04T09:00:17.932Z",
    "type": "cve",
    "title": "Totolink N300RH POST Request cstecgi.cgi setMacFilterRules buffer overflow",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/360925\nhttps://vuldb.com/vuln/360925/cti\nhttps://vuldb.com/submit/807204\nhttps://lavender-bicycle-a5a.notion.site/TOTOLINK-N300RH-setMacFilterRules-34553a41781f809cb952cdcb71ce90d8\nhttps://www.totolink.net/",
    "id": "CVE-2026-7750",
    "bulletinFamily": "",
    "cwe": [
        "CWE-120",
        "CWE-119"
    ],
    "cvelist": null,
    "sourceData": "Totolink N300RH 3.2.4-B20220812",
    "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": "N300RH",
    "version": "3.2.4-B20220812",
    "vendor": "Totolink",
    "ai_description": "Buffer overflow vulnerability in the setMacFilterRules function of the /cgi-bin/cstecgi.cgi component, allowing remote attacks via manipulation of the mac_address argument.",
    "ai_severity": "High",
    "ai_vendor": "Totolink",
    "ai_product": "N300RH",
    "ai_version": "3.2.4-B20220812",
    "ai_score": 8.7
}