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        "cveId": "CVE-2026-6682",
        "assignerOrgId": "44488dab-36db-4358-99f9-bc116477f914",
        "state": "PUBLISHED",
        "assignerShortName": "runZero",
        "dateReserved": "2026-04-20T15:06:18.243Z",
        "datePublished": "2026-07-01T13:36:59.935Z",
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            "title": "FatFs Integer Overflow in FAT32 Volume Mount",
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                            "lang": "en",
                            "cweId": "CWE-190",
                            "description": "CWE-190 Integer overflow or wraparound",
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                    "product": "FatFs",
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                            "version": "0",
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                    "value": "In FatFS R0.16 and earlier contains a FAT32 integer overflow bug in mount_volume() where fasize *= fs->n_fats can wrap, leading to attacker-controlled file-size metadata and unsafe read lengths in downstream callers. This maps to CWE-190 (Integer Overflow or Wraparound). Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H (7.6, High). Remote delivery is also possible in OTA/update pipelines. The estimated CISA SSVC vectors are Exploitation: PoC, Technical Impact: Total.",
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                    "url": "https://www.runzero.com/blog/fatfs-bugs/",
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                        "attackComplexity": "LOW",
                        "privilegesRequired": "NONE",
                        "userInteraction": "NONE",
                        "scope": "CHANGED",
                        "confidentialityImpact": "HIGH",
                        "integrityImpact": "HIGH",
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                        "baseScore": 7.6,
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                    "lang": "en",
                    "value": "HD Moore of runZero, Inc.",
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