{"id":"CVE-2026-86128","revision":"3a8dd416ba514b6d9efc7d14e8be731a","records":[{"revision":"3a8dd416ba514b6d9efc7d14e8be731a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-86128","aliases":[],"title":"Fireware OS NULL Pointer Dereference in NetFlow IPv6 Traffic Processing Allows Remote Denial of Service","description":"A NULL pointer dereference vulnerability in Fireware OS's NetFlow packet-processing feature allows a remote, unauthenticated attacker to cause a denial of service by sending a specially crafted IPv6 packet.","state":0,"publishedAt":"2026-09-29T23:05:47.408+00:00","modifiedAt":"2026-09-30T15:28:13.992+00:00","affected":[{"ecosystem":"Vendor product","name":"Fireware OS","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"WatchGuard\",\n                    \"product\": \"Fireware OS\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"2026.3\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"2026.3.2\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"2025.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"2026.2.3\"\n                        },\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"12.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"12.12.3\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\",\n                    \"platforms\": [\n                        \"Default\"\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Fireware OS","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"WatchGuard\",\n                    \"product\": \"Fireware OS\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"12.0\",\n                            \"versionType\": \"custom\",\n                            \"lessThan\": \"12.5.21\"\n                        }\n                    ],\n                    \"defaultStatus\": \"unaffected\",\n                    \"platforms\": [\n                        \"T15/T35\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":8.2,"severity":"HIGH"}],"references":["https://psirt.watchguard.com/CVE-2026-86128"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-86128","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-86128","identifiers":["CVE-2026-86128"]},"retained":false,"historicalAffected":[]}],"coverage":[]}