{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-3342", "assignerOrgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "state": "PUBLISHED", "assignerShortName": "WatchGuard", "dateReserved": "2026-02-27T15:34:47.745Z", "datePublished": "2026-03-03T13:17:39.376Z", "dateUpdated": "2026-03-04T15:22:14.651Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "Fireware OS", "vendor": "WatchGuard", "versions": [{"lessThanOrEqual": "11.12.4+541730", "status": "affected", "version": "11.9", "versionType": "semver"}, {"lessThanOrEqual": "12.11.7", "status": "affected", "version": "12.0", "versionType": "semver"}, {"lessThanOrEqual": "12.5.16", "status": "affected", "version": "12.5", "versionType": "semver"}, {"lessThanOrEqual": "2026.1.1", "status": "affected", "version": "2025.1", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:11.9", "versionEndIncluding": "11.12.4+541730", "versionStartIncluding": "11.9", "vulnerable": true}, {"criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.0", "versionEndIncluding": "12.11.7", "versionStartIncluding": "12.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.5", "versionEndIncluding": "12.5.16", "versionStartIncluding": "12.5", "vulnerable": true}, {"criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:2025.1", "versionEndIncluding": "2026.1.1", "versionStartIncluding": "2025.1", "vulnerable": true}], "negate": false, "operator": "OR"}], "operator": "OR"}], "credits": [{"lang": "en", "type": "finder", "value": "btaol"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "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.<br><br><div><div>This 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.</div></div>"}], "value": "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."}], "exploits": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "WatchGuard is not aware of any exploitation of this issue in the wild.<br>"}], "value": "WatchGuard is not aware of any exploitation of this issue in the wild."}], "impacts": [{"capecId": "CAPEC-253", "descriptions": [{"lang": "en", "value": "CAPEC-253 Remote Code Inclusion"}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 8.6, "baseSeverity": "HIGH", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "shortName": "WatchGuard", "dateUpdated": "2026-03-04T15:22:14.651Z"}, "references": [{"url": "https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00003"}], "source": {"advisory": "WGSA-2026-00003", "defect": ["FBX-31304"], "discovery": "EXTERNAL"}, "title": "WatchGuard Firebox Out of Bounds Write Vulnerability", "x_generator": {"engine": "Vulnogram 0.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-03-03T00:00:00+00:00", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3", "id": "CVE-2026-3342"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-04T04:55:21.739Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-3342", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-03-03T13:52:08.085258Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-03T13:52:12.128Z"}}], "cna": {"title": "WatchGuard Firebox Out of Bounds Write Vulnerability", "source": {"defect": ["FBX-31304"], "advisory": "WGSA-2026-00003", "discovery": "EXTERNAL"}, "credits": [{"lang": "en", "type": "finder", "value": "btaol"}], "impacts": [{"capecId": "CAPEC-253", "descriptions": [{"lang": "en", "value": "CAPEC-253 Remote Code Inclusion"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 8.6, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "HIGH", "valueDensity": "NOT_DEFINED", "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", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "HIGH", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "WatchGuard", "product": "Fireware OS", "versions": [{"status": "affected", "version": "11.9", "versionType": "semver", "lessThanOrEqual": "11.12.4+541730"}, {"status": "affected", "version": "12.0", "versionType": "semver", "lessThanOrEqual": "12.11.7"}, {"status": "affected", "version": "12.5", "versionType": "semver", "lessThanOrEqual": "12.5.16"}, {"status": "affected", "version": "2025.1", "versionType": "semver", "lessThanOrEqual": "2026.1.1"}], "defaultStatus": "unaffected"}], "exploits": [{"lang": "en", "value": "WatchGuard is not aware of any exploitation of this issue in the wild.", "supportingMedia": [{"type": "text/html", "value": "WatchGuard is not aware of any exploitation of this issue in the wild.<br>", "base64": false}]}], "references": [{"url": "https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00003"}], "x_generator": {"engine": "Vulnogram 0.2.0"}, "descriptions": [{"lang": "en", "value": "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.", "supportingMedia": [{"type": "text/html", "value": "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.<br><br><div><div>This 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.</div></div>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "CWE-787 Out-of-bounds Write"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:11.9", "vulnerable": true, "versionEndIncluding": "11.12.4+541730", "versionStartIncluding": "11.9"}, {"criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.0", "vulnerable": true, "versionEndIncluding": "12.11.7", "versionStartIncluding": "12.0"}, {"criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:12.5", "vulnerable": true, "versionEndIncluding": "12.5.16", "versionStartIncluding": "12.5"}, {"criteria": "cpe:2.3:a:watchguard:fireware_os:*:*:*:*:*:*:*:2025.1", "vulnerable": true, "versionEndIncluding": "2026.1.1", "versionStartIncluding": "2025.1"}], "operator": "OR"}], "operator": "OR"}], "providerMetadata": {"orgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "shortName": "WatchGuard", "dateUpdated": "2026-03-04T15:22:14.651Z"}}}, "cveMetadata": {"cveId": "CVE-2026-3342", "state": "PUBLISHED", "dateUpdated": "2026-03-04T15:22:14.651Z", "dateReserved": "2026-02-27T15:34:47.745Z", "assignerOrgId": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "datePublished": "2026-03-03T13:17:39.376Z", "assignerShortName": "WatchGuard"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "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."}], "id": "CVE-2026-3342", "lastModified": "2026-03-04T16:16:29.667", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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/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", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "type": "Secondary"}]}, "published": "2026-03-03T14:15:56.643", "references": [{"source": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "url": "https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2026-00003"}], "sourceIdentifier": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "5d1c2695-1a31-4499-88ae-e847036fd7e3", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[11.9,11.12.4+541730]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[12.0,12.11.7]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[12.5,12.5.16]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2025.1,2026.1.1]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Fireware OS", "source": "cna", "vendor": "WatchGuard"}, "product": "fireware_os", "vendor": "watchguard"}], "created": "2026-03-04T14:54:22.527038+00:00", "updated": "2026-03-04T14:54:22.527123+00:00", "vendors": ["watchguard", "watchguard$PRODUCT$fireware_os"]}