{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-19313", "assignerOrgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "state": "PUBLISHED", "assignerShortName": "WatchGuard", "dateReserved": "2026-08-07T20:05:18.422Z", "datePublished": "2026-08-27T23:24:32.699Z", "dateUpdated": "2026-09-11T21:34:11.490Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "shortName": "WatchGuard", "dateUpdated": "2026-09-11T21:34:11.490Z" }, "title": "Fireware OS Pre-Authentication Heap Buffer Overflow in iked Allows Remote Code Execution", "descriptions": [ { "lang": "en", "value": "An heap overflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic." } ], "affected": [ { "vendor": "WatchGuard", "product": "Fireware OS", "versions": [ { "status": "affected", "version": "2025.0", "versionType": "custom", "lessThan": "2026.2.2" }, { "status": "affected", "version": "12.0", "versionType": "custom", "lessThan": "12.12.2" } ], "defaultStatus": "unaffected", "platforms": [ "Default" ] }, { "vendor": "WatchGuard", "product": "Fireware OS", "versions": [ { "status": "affected", "version": "12.0", "versionType": "custom", "lessThan": "12.5.20" }, { "status": "affected", "version": "2026.3", "versionType": "custom", "lessThan": "2026.3.1" } ], "defaultStatus": "unaffected", "platforms": [ "T15/T35" ] } ], "references": [ { "url": "https://psirt.watchguard.com/CVE-2026-19313", "tags": [ "vendor-advisory" ] } ], "cpeApplicability": [ { "operator": "OR", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*", "versionStartIncluding": "12.0", "versionEndExcluding": "12.5.20" }, { "vulnerable": true, "criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*", "versionStartIncluding": "2026.3", "versionEndExcluding": "2026.3.1" }, { "vulnerable": true, "criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*", "versionStartIncluding": "2025.0", "versionEndExcluding": "2026.2.2" }, { "vulnerable": true, "criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*", "versionStartIncluding": "12.0", "versionEndExcluding": "12.12.2" } ] } ] } ], "metrics": [ { "cvssV4_0": { "version": "4.0", "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", "baseScore": 9.3, "baseSeverity": "CRITICAL" } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-122", "type": "CWE", "cweId": "CWE-122" }, { "lang": "en", "description": "CWE-190", "type": "CWE", "cweId": "CWE-190" }, { "lang": "en", "description": "CWE-680", "type": "CWE", "cweId": "CWE-680" } ] } ], "credits": [ { "lang": "en", "value": "McCaulay Hudson (@_McCaulay) of watchTowr", "type": "finder" }, { "lang": "en", "value": "Zmarak Awais", "type": "finder" } ], "configurations": [ { "lang": "en", "value": "This vulnerability is exploitable on systems where the Mobile VPN with IKEv2 or a Branch Office VPN with IKEv2 is configured.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

This vulnerability is exploitable on systems where the Mobile VPN with IKEv2 or a Branch Office VPN with IKEv2 is configured.

" } ] } ], "solutions": [ { "lang": "en", "value": "Fireware OS 2026.3.1, Fireware OS 2026.2.2, Fireware OS 12.12.2, Fireware OS 12.5.20", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "

Fireware OS 2026.3.1, Fireware OS 2026.2.2, Fireware OS 12.12.2, Fireware OS 12.5.20

" } ] } ], "exploits": [ { "lang": "en", "value": "WatchGuard is not aware of any exploitation of this vulnerability in the wild.", "supportingMedia": [ { "type": "text/html", "base64": false, "value": "WatchGuard is not aware of any exploitation of this vulnerability in the wild." } ] } ], "timeline": [ { "time": "2026-09-03T00:00:00.000Z", "lang": "en", "value": "Added Fireware OS 2026.3.1 as a fixed version" } ], "datePublic": "2026-08-27T23:24:37.455Z" }, "adp": [ { "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2026-08-28T00:00:00+00:00", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-19313" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-08-29T03:55:58.279Z" } } ] } }