OPNsense: Command Injection via Attacker-Controlled DHCP Config_CVE-2026-45158

{
    "lastseen": "",
    "description": "OPNsense is a FreeBSD based firewall and routing platform. Prior to 26.1.8, unsanitized user input is passed to the DHCP configuration of the configured interface, which is processed by a shell script, allowing remote code execution as root on the underlying operating system. This vulnerability is fixed in 26.1.8.",
    "published": "2026-05-13T21:54:31.679Z",
    "modified": "2026-05-13T21:54:31.679Z",
    "type": "cve",
    "title": "OPNsense: Command Injection via Attacker-Controlled DHCP Config",
    "source": "GitHub_M",
    "references": "https://github.com/opnsense/core/security/advisories/GHSA-5rx3-w735-74wm",
    "id": "CVE-2026-45158",
    "bulletinFamily": "",
    "cwe": [
        "CWE-88"
    ],
    "cvelist": null,
    "sourceData": "opnsense core < 26.1.8",
    "sourceHref": "",
    "cvss": {
        "score": 9.1,
        "severity": "CRITICAL",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
        "version": "3.1"
    },
    "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": "core",
    "version": "< 26.1.8",
    "vendor": "opnsense",
    "ai_description": "Unsanitized user input allows remote code execution as root via DHCP configuration",
    "ai_severity": "Critical",
    "ai_vendor": "Deciso",
    "ai_product": "OPNsense",
    "ai_version": "< 26.1.8",
    "ai_score": 9.1
}