{
    "id": "CVE-2023-36355",
    "published": "2023-06-22 20:15:09",
    "last_modified": "2026-06-17 06:06:05",
    "cvss_score": "9.9",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
    "cwe": "CWE-120",
    "description": "TP-Link TL-WR940N V4 was discovered to contain a buffer overflow via the ipStart parameter at /userRpm/WanDynamicIpV6CfgRpm. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted GET request.",
    "epss_score": "0.31733",
    "epss_percentile": "0.98243",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-27 18:17:38",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "tp-link",
            "product": "tl-wr940n"
        },
        {
            "vendor": "tp-link",
            "product": "tl-wr940n_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "51561",
            "title": "TP-Link TL-WR940N V4 - Buffer OverFlow",
            "date": "2023-07-03",
            "url": "https://www.exploit-db.com/exploits/51561"
        }
    ],
    "refs_list": [
        "http://packetstormsecurity.com/files/173294/TP-Link-TL-WR940N-4-Buffer-Overflow.html",
        "https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/9/TP-Link%20TL-WR940N%20wireless%20router%20userRpmWanDynamicIpV6CfgRpm%20buffer%20write%20out-of-bounds%20vulnerability.md",
        "http://packetstormsecurity.com/files/173294/TP-Link-TL-WR940N-4-Buffer-Overflow.html",
        "https://github.com/a101e-IoTvul/iotvul/blob/main/tp-link/9/TP-Link%20TL-WR940N%20wireless%20router%20userRpmWanDynamicIpV6CfgRpm%20buffer%20write%20out-of-bounds%20vulnerability.md"
    ]
}