GL.iNet GL-MT3000 Online Firmware Upgrade one_click_upgrade command injection_CVE-2026-12187

{
    "lastseen": "",
    "description": "A security vulnerability has been detected in GL.iNet GL-MT3000 up to 4.4.5. Affected by this vulnerability is an unknown functionality of the file /usr/bin/one_click_upgrade of the component Online Firmware Upgrade Handler. Such manipulation leads to command injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 4.7 addresses this issue. Upgrading the affected component is advised. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.",
    "published": "2026-06-14T22:00:09.360Z",
    "modified": "2026-06-14T22:00:09.360Z",
    "type": "cve",
    "title": "GL.iNet GL-MT3000 Online Firmware Upgrade one_click_upgrade command injection",
    "source": "VulDB",
    "references": "https://vuldb.com/vuln/370833\nhttps://vuldb.com/vuln/370833/cti\nhttps://vuldb.com/cve/CVE-2026-12187\nhttps://vuldb.com/submit/815654\nhttps://github.com/StrTzz123/iot_vul/tree/main/GL-iNet/MT3000/4.4.5/upgrade_online_url\nhttps://fw.gl-inet.com/firmware/mt3000/release/mt3000-4.8.1-0819-1755615825.tar",
    "id": "CVE-2026-12187",
    "bulletinFamily": "",
    "cwe": [
        "CWE-77",
        "CWE-74"
    ],
    "cvelist": null,
    "sourceData": "GL.iNet GL-MT3000 4.4.0\nGL.iNet GL-MT3000 4.4.1\nGL.iNet GL-MT3000 4.4.2\nGL.iNet GL-MT3000 4.4.3\nGL.iNet GL-MT3000 4.4.4\nGL.iNet GL-MT3000 4.4.5",
    "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": "GL-MT3000",
    "version": "4.4.0",
    "vendor": "GL.iNet",
    "ai_description": "Command injection vulnerability in the Online Firmware Upgrade Handler of GL.iNet GL-MT3000 up to version 4.4.5, allowing remote attackers to execute arbitrary commands",
    "ai_severity": "High",
    "ai_vendor": "GL.iNet",
    "ai_product": "GL-MT3000",
    "ai_version": "4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.4.4, 4.4.5",
    "ai_score": 8.7
}