{"id":"CVE-2026-3344","state":"PUBLISHED","title":"WatchGuard Firebox System Integrity Check Bypass","description":"A vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS filesystem integrity check and maintain limited persistence via a maliciously-crafted firmware update package.","publishedAt":"2026-03-03T13:17:56.622Z","updatedAt":"2026-08-10T16:32:26.799Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","source":"WatchGuard"},"assigner":"WatchGuard","products":["WatchGuard Fireware OS"],"affected":[{"vendor":"WatchGuard","product":"Fireware OS","defaultStatus":"unaffected","versions":[{"version":"2025.1","status":"affected","lessThan":"2026.1.2","versionType":"custom"},{"version":"12.0","status":"affected","lessThan":"12.11.8","versionType":"custom"}],"platforms":["Default"]},{"vendor":"WatchGuard","product":"Fireware OS","defaultStatus":"unaffected","versions":[{"version":"12.0","status":"affected","lessThan":"12.5.17","versionType":"custom"}],"platforms":["T15/T35"]}],"references":["https://psirt.watchguard.com/CVE-2026-3344","https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00005"],"weaknesses":["CWE-440"],"ingestedAt":"2026-10-29T20:11:50.837Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/3xxx/CVE-2026-3344.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-3344","state":"PUBLISHED","datePublished":"2026-03-03T13:17:56.622Z","dateUpdated":"2026-08-10T16:32:26.799Z","assignerShortName":"WatchGuard","assignerOrgId":"5d1c2695-1a31-4499-88ae-e847036fd7e3","dateReserved":"2026-02-27T15:37:53.452Z"},"containers":{"cna":{"title":"WatchGuard Firebox System Integrity Check Bypass","descriptions":[{"lang":"en","value":"A vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS filesystem integrity check and maintain limited persistence via a maliciously-crafted firmware update package."}],"affected":[{"vendor":"WatchGuard","product":"Fireware OS","defaultStatus":"unaffected","versions":[{"version":"2025.1","status":"affected","lessThan":"2026.1.2","versionType":"custom"},{"version":"12.0","status":"affected","lessThan":"12.11.8","versionType":"custom"}],"platforms":["Default"]},{"vendor":"WatchGuard","product":"Fireware OS","defaultStatus":"unaffected","versions":[{"version":"12.0","status":"affected","lessThan":"12.5.17","versionType":"custom"}],"platforms":["T15/T35"]}],"references":[{"url":"https://psirt.watchguard.com/CVE-2026-3344","tags":["vendor-advisory"]},{"url":"https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00005","tags":["vendor-advisory"]}],"metrics":[{"cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","baseScore":6.9,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-440","lang":"en","description":"CWE-440","type":"CWE"}]}],"providerMetadata":{"shortName":"WatchGuard","orgId":"5d1c2695-1a31-4499-88ae-e847036fd7e3","dateUpdated":"2026-08-10T16:32:26.799Z"},"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*","versionStartIncluding":"12.0","versionEndExcluding":"12.5.17"},{"vulnerable":true,"criteria":"cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*","versionStartIncluding":"2025.1","versionEndExcluding":"2026.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*","versionStartIncluding":"12.0","versionEndExcluding":"12.11.8"}]}]}],"credits":[{"lang":"en","value":"Discovered internally by WatchGuard","type":"finder"}],"solutions":[{"lang":"en","value":"Fireware OS 2026.1.2, Fireware OS 12.11.8, Fireware OS 12.5.17"}],"exploits":[{"lang":"en","value":"WatchGuard is not aware of any exploitation of this issue in the wild."}],"datePublic":"2026-03-03T13:17:56.622Z"},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-03T14:29:44.659550Z","id":"CVE-2026-3344","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-03-03T14:39:58.784Z"}}]}}}