{"id":"CVE-2026-3342","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-3342","generatedAt":"2026-10-28T03:41:19.365Z","title":"An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an authenticated privileged administrator to execute arbitrary code with root permissions via an exposed management interface.","description":"An Out-of-bounds Write vulnerability in WatchGuard Fireware OS may allow an authenticated privileged administrator to execute arbitrary code with root permissions via an exposed management interface.\n\nThis vulnerability affects Fireware OS 11.9 up to and including 11.12.4_Update1, 12.0 up to and including 12.11.7 and 2025.1 up to and including 2026.1.1.","published":"2026-03-03T14:15:57.000Z","lastModified":"2026-06-17T10:43:26.000Z","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-787"],"affected":["watchguard/fireware"],"epss":{"score":0.06653,"percentile":0.93843,"date":"2026-10-27","history":[{"date":"2026-09-24","score":0.00675,"percentile":0.50056},{"date":"2026-10-25","score":0.06653,"percentile":0.9383}]},"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 (6.65%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-10-25T00:00:00.000Z","detail":{"to":0.06653,"from":0.00717,"percentile":0.9383},"summary":"EPSS moved from 0.7% to 6.7% probability of exploitation in the next thirty days."}],"references":[{"url":"https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00003","tags":["Vendor Advisory"],"source":"5d1c2695-1a31-4499-88ae-e847036fd7e3"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-3342","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."}