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CVE-2026-6688

🗓️ 01 Jul 2026 14:01:04Reported by runZeroType 
cve
 cve
🔗 web.nvd.nist.gov👁 39 Views

CVE-2026-6688: FatFs long filename handling allows buffer overflow when copies into small buffers without bounds checks.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-6688
1 Jul 202614:01
attackerkb
Circl
CVE-2026-6688
2 Jul 202602:16
circl
Cvelist
CVE-2026-6688 FatFs Buffer Overflow via Unbounded LFN Filename Copy
1 Jul 202614:01
cvelist
EUVD
EUVD-2026-41000
1 Jul 202614:01
euvd
GithubExploit
vulns-2026-fatfs-chance
29 Jun 202620:02
githubexploit
NVD
CVE-2026-6688
1 Jul 202615:17
nvd
Positive Technologies
PT-2026-54930
1 Jul 202600:00
ptsecurity
The Hacker News
Unpatched Flaws Disclosed in Filesystem Bundled Into Millions of Embedded Devices
3 Jul 202620:19
thn
Vulnrichment
CVE-2026-6688 FatFs Buffer Overflow via Unbounded LFN Filename Copy
1 Jul 202614:01
vulnrichment
NVD
Node
elm-chanfatfsRanger0.16
[
  {
    "vendor": "ChaN",
    "product": "FatFs",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThanOrEqual": "R0.16",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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02 Jul 2026 14:38Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.6
EPSS0.0021
SSVC
39