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        "assignerOrgId": "9974b330-7714-4307-a722-5648477acda7",
        "state": "PUBLISHED",
        "assignerShortName": "rapid7",
        "dateReserved": "2026-02-11T09:26:52.179Z",
        "datePublished": "2026-02-18T14:08:09.272Z",
        "dateUpdated": "2026-02-18T14:50:51.252Z"
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            "affected": [
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                    "defaultStatus": "unaffected",
                    "product": "GXP1610",
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                            "lessThanOrEqual": "1.0.7.80",
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                            "version": "0",
                            "versionType": "semver"
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                    "defaultStatus": "unaffected",
                    "product": "GXP1615",
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                            "status": "affected",
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                            "status": "affected",
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            "credits": [
                {
                    "lang": "en",
                    "type": "finder",
                    "value": "Stephen Fewer, Senior Principal Security Researcher at Rapid7"
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            "datePublic": "2026-02-18T14:00:00.000Z",
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                    "lang": "en",
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                            "value": "An unauthenticated stack-based buffer overflow vulnerability exists in the HTTP API endpoint /cgi-bin/api.values.get. A remote attacker can leverage this vulnerability to achieve unauthenticated remote code execution (RCE) with root privileges on a target device. The vulnerability affects all six device models in the series: GXP1610, GXP1615, GXP1620, GXP1625, GXP1628, and GXP1630.<br>"
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            ],
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                {
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                        "Automatable": "NOT_DEFINED",
                        "Recovery": "NOT_DEFINED",
                        "Safety": "NOT_DEFINED",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "attackVector": "NETWORK",
                        "baseScore": 9.3,
                        "baseSeverity": "CRITICAL",
                        "exploitMaturity": "NOT_DEFINED",
                        "privilegesRequired": "NONE",
                        "providerUrgency": "NOT_DEFINED",
                        "subAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
                        "subIntegrityImpact": "NONE",
                        "userInteraction": "NONE",
                        "valueDensity": "NOT_DEFINED",
                        "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N",
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                    "scenarios": [
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                            "lang": "en",
                            "value": "GENERAL"
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            "problemTypes": [
                {
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                        {
                            "cweId": "CWE-121",
                            "description": "CWE-121 Stack-based Buffer Overflow",
                            "lang": "en",
                            "type": "CWE"
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                    ]
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            "providerMetadata": {
                "orgId": "9974b330-7714-4307-a722-5648477acda7",
                "shortName": "rapid7",
                "dateUpdated": "2026-02-18T14:08:09.272Z"
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            "references": [
                {
                    "tags": [
                        "third-party-advisory"
                    ],
                    "url": "https://www.rapid7.com/blog/post/ve-cve-2026-2329-critical-unauthenticated-stack-buffer-overflow-in-grandstream-gxp1600-voip-phones-fixed"
                },
                {
                    "tags": [
                        "vendor-advisory"
                    ],
                    "url": "https://psirt.grandstream.com/"
                },
                {
                    "tags": [
                        "release-notes"
                    ],
                    "url": "https://firmware.grandstream.com/Release_Note_GXP16xx_1.0.7.81.pdf"
                },
                {
                    "tags": [
                        "exploit"
                    ],
                    "url": "https://github.com/rapid7/metasploit-framework/pull/20983"
                }
            ],
            "source": {
                "discovery": "UNKNOWN"
            },
            "title": "Grandstream GXP1600 VoIP Phones - Unauthenticated stack buffer overflow",
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                "engine": "Vulnogram 0.5.0"
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                "metrics": [
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                                "timestamp": "2026-02-18T14:50:26.406047Z",
                                "id": "CVE-2026-2329",
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