{"id":"CVE-2026-13722","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-13722","generatedAt":"2026-10-28T03:29:04.555Z","title":"WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature.","description":"WatchGuard Fireware OS contains a firmware validation bypass when processing a backup image via the backup/restore feature. An authenticated administrator can exploit this vulnerability to install a tampered firmware image.","published":"2026-07-03T00:16:52.000Z","lastModified":"2026-10-25T21:10:01.000Z","status":"Analyzed","sourceIdentifier":"5d1c2695-1a31-4499-88ae-e847036fd7e3","cvss":{"version":"4.0","score":8.6,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-347"],"affected":["watchguard/fireware"],"epss":{"score":0.00332,"percentile":0.2617,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.33%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://psirt.watchguard.com/CVE-2026-13722","tags":["Broken Link"],"source":"5d1c2695-1a31-4499-88ae-e847036fd7e3"},{"url":"https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00022","tags":["Vendor Advisory"],"source":"5d1c2695-1a31-4499-88ae-e847036fd7e3"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-13722","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}