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CVE-2026-6687

🗓️ 01 Jul 2026 13:57:54Reported by runZeroType 
cve
 cve
🔗 web.nvd.nist.gov👁 65 Views

FatFs versions R0.16 and earlier have a stack overflow in f_getlabel from trusting exFAT label length.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-6687
1 Jul 202613:57
attackerkb
circl
Circl
CVE-2026-6687
2 Jul 202600:36
circl
cvelist
Cvelist
CVE-2026-6687 FatFs Stack Buffer Overflow via Uncapped exFAT Label Length
1 Jul 202613:57
cvelist
euvd
EUVD
EUVD-2026-40999
1 Jul 202613:57
euvd
githubexploit
GithubExploit
vulns-2026-fatfs-chance
29 Jun 202620:02
githubexploit
kitploit
Kitploit
vulns-2026-fatfs-chance
21 Sep 202606:59
kitploit
nvd
NVD
CVE-2026-6687
1 Jul 202615:17
nvd
ptsecurity
Positive Technologies
PT-2026-54929
1 Jul 202600:00
ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-6687: Stack-based Buffer Overflow
1 Jul 202600:00
rapid7
thn
The Hacker News
Unpatched Flaws Disclosed in Filesystem Bundled Into Millions of Embedded Devices
3 Jul 202620:19
thn
Rows per page
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
EPSS0.00348
SSVC
65