{"id":"CVE-2026-13728","aliases":["EUVD-2026-41458","GHSA-jw2p-m8jh-c458"],"status":"published","title":"WatchGuard Firebox Hardcoded Fallback Encryption Key in Access Portal Resource Credential Database","description":"In exception circumstances, WatchGuard Fireware OS on a FireCluster may use a hard-coded encryption key to encrypt saved credentials for Access Portal resources.\n\nThis vulnerability does not affect devices that do not support the Access Portal feature or standalone Fireboxes not deployed in a FireCluster.","severity":{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0023,"percentile":0.1399,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2026-07-02T23:07:01Z","modified":"2026-10-25T21:10:00Z","products":[{"vendor":"watchguard","product":"fireware"},{"vendor":"watchguard","product":"fireware os"}],"references":[{"url":"https://psirt.watchguard.com/CVE-2026-13728","tags":["vendor-advisory"]},{"url":"https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00025","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-13728"},{"url":"https://github.com/advisories/GHSA-jw2p-m8jh-c458"}],"sources":{"cve":[{"id":"CVE-2026-13728","title":"WatchGuard Firebox Hardcoded Fallback Encryption Key in Access Portal Resource Credential Database","description":"In exception circumstances, WatchGuard Fireware OS on a FireCluster may use a hard-coded encryption key to encrypt saved credentials for Access Portal resources.\n\nThis vulnerability does not affect devices that do not support the Access Portal feature or standalone Fireboxes not deployed in a FireCluster.","status":"published","published":"2026-07-02T23:07:01.203Z","modified":"2026-08-27T22:58:26.718Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:19:50.24628Z"}],"euvd":[{"id":"EUVD-2026-41458","description":"In exception circumstances, WatchGuard Fireware OS on a FireCluster may use a hard-coded encryption key to encrypt saved credentials for Access Portal resources.\n\nThis vulnerability does not affect devices that do not support the Access Portal feature or standalone Fireboxes not deployed in a FireCluster.","status":"published","published":"2026-07-02T23:07:01Z","modified":"2026-08-27T22:58:26Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T18:01:24.093932Z"}],"ghsa":[{"id":"GHSA-jw2p-m8jh-c458","title":"In exception circumstances, WatchGuard Fireware OS on a FireCluster may use a hard-coded...","description":"In exception circumstances, WatchGuard Fireware OS on a FireCluster may use a hard-coded encryption key to encrypt saved credentials for Access Portal resources.\n\nThis vulnerability affects Fireware OS 12.1 up to and including 12.12 and 2025.1 up to and including 2026.2. This vulnerability does not affect devices that do not support the Access Portal feature or standalone Fireboxes not deployed in a FireCluster.","status":"published","published":"2026-07-03T00:31:54Z","modified":"2026-08-10T21:33:00Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T15:10:16.495213Z"}],"nvd":[{"id":"CVE-2026-13728","description":"In exception circumstances, WatchGuard Fireware OS on a FireCluster may use a hard-coded encryption key to encrypt saved credentials for Access Portal resources.\n\nThis vulnerability does not affect devices that do not support the Access Portal feature or standalone Fireboxes not deployed in a FireCluster.","status":"published","published":"2026-07-03T00:16:52.147Z","modified":"2026-10-25T21:10:00.77Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:12:27.541515Z"}]}}