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"cpe:2.3:o:fortinet:fortios:6.0.0:*:*:*:*:*:*:*"], "vendor": "Fortinet", "product": "FortiOS", "versions": [{"status": "affected", "version": "7.6.0", "versionType": "semver", "lessThanOrEqual": "7.6.3"}, {"status": "affected", "version": "7.4.0", "versionType": "semver", "lessThanOrEqual": "7.4.8"}, {"status": "affected", "version": "7.2.0", "versionType": "semver", "lessThanOrEqual": "7.2.11"}, {"status": "affected", "version": "7.0.0", "versionType": "semver", "lessThanOrEqual": "7.0.17"}, {"status": "affected", "version": "6.4.0", "versionType": "semver", "lessThanOrEqual": "6.4.16"}, {"status": "affected", "version": "6.2.0", "versionType": "semver", "lessThanOrEqual": "6.2.17"}, {"status": "affected", "version": "6.0.0", "versionType": "semver", "lessThanOrEqual": "6.0.18"}], "defaultStatus": "unaffected"}], "solutions": [{"lang": "en", "value": "Upgrade to FortiOS version 7.6.4 or above\nUpgrade to FortiOS version 7.4.9 or above\nUpgrade to FortiOS version 7.2.12 or above\nUpgrade to FortiOS version 7.0.18 or above\nFortinet remediated this issue in FortiSASE version 25.3.a and hence customers do not need to perform any action.\nUpgrade to FortiSwitchManager version 7.2.7 or above\nUpgrade to FortiSwitchManager version 7.0.6 or above\nFortinet remediated this issue in FortiEdgeCloud version 25.3 and hence customers do not need to perform any action."}], "references": [{"url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-123", "name": "https://fortiguard.fortinet.com/psirt/FG-IR-26-123"}], "descriptions": [{"lang": "en", "value": "A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-787", "description": "Execute unauthorized code or commands"}]}], "providerMetadata": {"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "shortName": "fortinet", "dateUpdated": "2026-05-12T16:54:10.126Z"}}}, "cveMetadata": {"cveId": "CVE-2025-53844", "state": "PUBLISHED", "dateUpdated": "2026-05-13T03:58:28.011Z", "dateReserved": "2025-07-10T08:53:33.015Z", "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "datePublished": "2026-05-12T16:54:10.126Z", "assignerShortName": "fortinet"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "matchCriteriaId": "E8FAAA2E-7A53-4F6B-A9C7-1E2B4CB5F7EB", "versionEndExcluding": "7.2.12", "versionStartIncluding": "7.2.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "matchCriteriaId": "2093EFE3-4B7F-4806-9850-C42B26BC64AC", "versionEndExcluding": "7.4.9", "versionStartIncluding": "7.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "matchCriteriaId": "C1C30E0D-7F09-42D2-9EB1-E2196BD50D75", "versionEndExcluding": "7.6.4", "versionStartIncluding": "7.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A out-of-bounds write vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2.0 through 7.2.11 allows attacker to execute unauthorized code or commands via specially crafted packets."}], "id": "CVE-2025-53844", "lastModified": "2026-05-15T14:04:00.013", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "psirt@fortinet.com", "type": "Secondary"}]}, "published": "2026-05-12T18:16:35.983", "references": [{"source": "psirt@fortinet.com", "tags": ["Vendor Advisory"], "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-123"}], "sourceIdentifier": "psirt@fortinet.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "psirt@fortinet.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.6.0,7.6.3]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.4.0,7.4.8]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.2.0,7.2.11]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[7.0.0,7.0.17]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.4.0,6.4.16]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.2.0,6.2.17]"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.0.0,6.0.18]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "FortiOS", "source": "cna", "vendor": "Fortinet"}, "product": "fortios", "vendor": "fortinet"}], "created": "2026-05-12T18:30:22.226626+00:00", "title": "Out-of-Bounds Write in FortiOS Allows Remote Code Execution", "updated": "2026-05-12T21:45:05.142288+00:00", "vendors": ["fortinet", "fortinet$PRODUCT$fortios"]}