{
    "id": "CVE-2023-31475",
    "published": "2023-05-11 11:15:09",
    "last_modified": "2026-06-17 05:57:03",
    "cvss_score": "9.8",
    "cvss_severity": "CRITICAL",
    "cvss_version": "3.1",
    "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
    "cwe": "CWE-120",
    "description": "An issue was discovered on GL.iNet devices before 3.216. The function guci2_get() found in libglutil.so has a buffer overflow when an item is requested from a UCI context, and the value is pasted into a char pointer to a buffer without checking the size of the buffer.",
    "epss_score": "0.13743",
    "epss_percentile": "0.96406",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 0,
    "updated_at": "2026-10-04 18:17:32",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "EPSS 13.7% — above the 10% action threshold."
    },
    "products": [
        {
            "vendor": "gl-inet",
            "product": "gl-a1300"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-a1300_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-ap1300"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-ap1300_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-ax1800"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-ax1800_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-axt1800"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-axt1800_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-b1300"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-b1300_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-b2200"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-b2200_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-e750"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-e750_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-mt1300"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-mt1300_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-mt2500"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-mt2500_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-mt2500a"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-mt2500a_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-mt3000"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-mt3000_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-mv1000"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-mv1000_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-mv1000w"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-mv1000w_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-s10"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-s10_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-s1300"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-s1300_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-s20"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-s20_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-s200"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-s200_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-sf1200"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-sf1200_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-sft1200"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-sft1200_firmware"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-x3000"
        },
        {
            "vendor": "gl-inet",
            "product": "gl-x3000_firmware"
        }
    ],
    "kev_detail": null,
    "exploits": [],
    "refs_list": [
        "https://github.com/gl-inet/CVE-issues/blob/main/3.215/Buffer_Overflow.md",
        "https://justinapplegate.me/2023/glinet-CVE-2023-31475/",
        "https://www.gl-inet.com",
        "https://github.com/gl-inet/CVE-issues/blob/main/3.215/Buffer_Overflow.md",
        "https://justinapplegate.me/2023/glinet-CVE-2023-31475/",
        "https://www.gl-inet.com"
    ]
}