CVE-2025-53843

{"id": "CVE-2025-53843", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "psirt@fortinet.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.6}]}, "published": "2025-11-18T17:16:03.033", "references": [{"url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-358", "tags": ["Vendor Advisory"], "source": "psirt@fortinet.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "psirt@fortinet.com", "description": [{"lang": "en", "value": "CWE-121"}]}], "descriptions": [{"lang": "en", "value": "A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.6.0 through 7.6.3, FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to execute unauthorized code or commands via specially crafted packets"}], "lastModified": "2025-11-21T09:15:47.077", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1B6548FD-E370-45D7-81D5-6EF892810052", "versionEndExcluding": "7.4.9", "versionStartIncluding": "6.4.0"}, {"criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C1C30E0D-7F09-42D2-9EB1-E2196BD50D75", "versionEndExcluding": "7.6.4", "versionStartIncluding": "7.6.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@fortinet.com"}