{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-13053: WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Command Handler","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-13053","status":"final","version":"1","initial_release_date":"2026-07-02T23:08:27.642Z","current_release_date":"2026-07-02T23:08:27.642Z","revision_history":[{"date":"2026-07-02T23:08:27.642Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command.\n\nThis vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-13053 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-13053"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-13053"},{"category":"external","summary":"watchguard.com","url":"https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00030"}]},"product_tree":{"branches":[{"category":"vendor","name":"WatchGuard","branches":[{"category":"product_name","name":"Fireware OS","branches":[{"category":"product_version_range","name":">=11.0 <=11.12.4+541730","product":{"name":"WatchGuard Fireware OS >=11.0 <=11.12.4+541730","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=12.0 <=12.12","product":{"name":"WatchGuard Fireware OS >=12.0 <=12.12","product_id":"CSAFPID-2","product_identification_helper":{"cpe":"cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=12.5 <=12.5.18","product":{"name":"WatchGuard Fireware OS >=12.5 <=12.5.18","product_id":"CSAFPID-3","product_identification_helper":{"cpe":"cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*"}}},{"category":"product_version_range","name":">=2025.1 <=2026.2","product":{"name":"WatchGuard Fireware OS >=2025.1 <=2026.2","product_id":"CSAFPID-4","product_identification_helper":{"cpe":"cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-13053","title":"WatchGuard Firebox Authenticated Out of Bounds Write in Management CLI Command Handler","notes":[{"category":"description","text":"An Out-of-bounds Write vulnerability in WatchGuard Fireware OS's CLI could allow an authenticated privileged user to execute arbitrary code via a specially crafted CLI command.\n\nThis vulnerability affects Fireware OS 11.0 up to and including 11.12.4_Update1, 12.0 up to and including 12.12 and 2025.1 up to and including 2026.2.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4"]},"scores":[{"cvss_v4":{"version":"4.0","vectorString":"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","baseScore":8.6,"baseSeverity":"HIGH"},"products":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1","CSAFPID-2","CSAFPID-3","CSAFPID-4"]}]}]}