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        "cveId": "CVE-2026-103594",
        "assignerOrgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3",
        "state": "PUBLISHED",
        "assignerShortName": "WatchGuard",
        "dateReserved": "2026-09-30T22:34:27.457Z",
        "datePublished": "2026-10-27T15:52:27.758Z",
        "dateUpdated": "2026-10-27T15:52:27.758Z"
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                "dateUpdated": "2026-10-27T15:52:27.758Z"
            },
            "title": "Fireware OS Stack Buffer Overflow in WireGuard Configuration Allows Remote Code Execution",
            "descriptions": [
                {
                    "lang": "en",
                    "value": "A stack-based buffer overflow vulnerability in Fireware OS's WireGuard configuration processing allows a remote attacker that has man-in-the-middle TLS-decrypted access between the Firebox and WatchGuard Cloud to create a Denial of Service condition and potentially execute arbitrary code by tampering with a FireCloud Gateway configuration payload."
                }
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                    "product": "Fireware OS",
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                            "version": "2026.2",
                            "versionType": "custom",
                            "lessThan": "2026.4"
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                        {
                            "status": "affected",
                            "version": "12.12",
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                            "lessThan": "12.12.4"
                        }
                    ],
                    "defaultStatus": "unaffected",
                    "platforms": [
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                    ]
                }
            ],
            "references": [
                {
                    "url": "https://psirt.watchguard.com/CVE-2026-103594",
                    "tags": [
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                    ]
                }
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                                    "versionEndExcluding": "2026.4"
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                                    "criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "12.12",
                                    "versionEndExcluding": "12.12.4"
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                        {
                            "lang": "en",
                            "description": "CWE-121",
                            "type": "CWE",
                            "cweId": "CWE-121"
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                        {
                            "lang": "en",
                            "description": "CWE-1284",
                            "type": "CWE",
                            "cweId": "CWE-1284"
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                            "description": "CWE-787",
                            "type": "CWE",
                            "cweId": "CWE-787"
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            "credits": [
                {
                    "lang": "en",
                    "value": "WatchGuard AI Security Research",
                    "type": "finder"
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