{"id":"CVE-2025-13940","state":"PUBLISHED","title":"WatchGuard Firebox Boot Time System Integrity Check Bypass","description":"An Expected Behavior Violation [CWE-440] vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS boot time system integrity check and prevent the Firebox from shutting down in the event of a system integrity check failure. The on-demand system integrity check in the Fireware Web UI will correctly show a failed system integrity check message in the event of a failure.","publishedAt":"2025-12-04T21:47:44.483Z","updatedAt":"2026-08-10T16:04:35.648Z","severity":{"score":6.7,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/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":"2025.1.3","versionType":"custom"},{"version":"12.8.1","status":"affected","lessThan":"12.11.5","versionType":"custom"}]}],"references":["https://psirt.watchguard.com/CVE-2025-13940","https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00026"],"weaknesses":["CWE-440"],"ingestedAt":"2026-10-29T20:08:31.050Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/13xxx/CVE-2025-13940.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-13940","state":"PUBLISHED","datePublished":"2025-12-04T21:47:44.483Z","dateUpdated":"2026-08-10T16:04:35.648Z","assignerShortName":"WatchGuard","assignerOrgId":"5d1c2695-1a31-4499-88ae-e847036fd7e3","dateReserved":"2025-12-03T01:10:44.590Z"},"containers":{"cna":{"title":"WatchGuard Firebox Boot Time System Integrity Check Bypass","descriptions":[{"lang":"en","value":"An Expected Behavior Violation [CWE-440] vulnerability in WatchGuard Fireware OS may allow an attacker to bypass the Fireware OS boot time system integrity check and prevent the Firebox from shutting down in the event of a system integrity check failure. The on-demand system integrity check in the Fireware Web UI will correctly show a failed system integrity check message in the event of a failure."}],"affected":[{"vendor":"WatchGuard","product":"Fireware OS","defaultStatus":"unaffected","versions":[{"version":"2025.1","status":"affected","lessThan":"2025.1.3","versionType":"custom"},{"version":"12.8.1","status":"affected","lessThan":"12.11.5","versionType":"custom"}]}],"references":[{"url":"https://psirt.watchguard.com/CVE-2025-13940","tags":["vendor-advisory"]},{"url":"https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00026","tags":["vendor-advisory"]}],"metrics":[{"cvssV4_0":{"version":"4.0","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N","baseScore":6.7,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-440","lang":"en","description":"CWE-440","type":"CWE"}]}],"providerMetadata":{"shortName":"WatchGuard","orgId":"5d1c2695-1a31-4499-88ae-e847036fd7e3","dateUpdated":"2026-08-10T16:04:35.648Z"},"cpeApplicability":[{"operator":"OR","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*","versionStartIncluding":"2025.1","versionEndExcluding":"2025.1.3"},{"vulnerable":true,"criteria":"cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*","versionStartIncluding":"12.8.1","versionEndExcluding":"12.11.5"}]}]}],"credits":[{"lang":"en","value":"Discovered internally by WatchGuard","type":"finder"}],"solutions":[{"lang":"en","value":"Fireware OS 2025.1.3, Fireware OS 12.11.5"}],"exploits":[{"lang":"en","value":"WatchGuard is not aware of any exploitation of this vulnerability in the wild."}],"datePublic":"2025-12-04T21:47:44.483Z"},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-12-05T15:44:59.491929Z","id":"CVE-2025-13940","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":"2025-12-05T15:45:09.514Z"}}]}}}