CVE-2026-6682
🗓️ 01 Jul 2026 13:36:59Reported by runZeroType 
cve🔗 web.nvd.nist.gov📰️ 1 Media mentions👁 164 Views🌐 WEB
| Reporter | Title | Published | Views | Family All 11 |
|---|---|---|---|---|
 | CVE-2026-6682 | 1 Jul 202613:36 | – | attackerkb |
 | CVE-2026-6682 | 2 Jul 202600:31 | – | circl |
 | CVE-2026-6682 FatFs Integer Overflow in FAT32 Volume Mount | 1 Jul 202613:36 | – | cvelist |
 | EUVD-2026-40992 | 1 Jul 202613:36 | – | euvd |
 | vulns-2026-fatfs-chance | 29 Jun 202620:02 | – | githubexploit |
 | CVE-2026-6682 | 1 Jul 202613:36 | – | mend |
 | CVE-2026-6682 | 1 Jul 202615:17 | – | nvd |
 | PT-2026-54924 | 1 Jul 202600:00 | – | ptsecurity |
 | CVE-2026-6682: Integer Overflow or Wraparound | 1 Jul 202600:00 | – | rapid7 |
 | Unpatched Flaws Disclosed in Filesystem Bundled Into Millions of Embedded Devices | 3 Jul 202620:19 | – | thn |
10
[
{
"vendor": "ChaN",
"product": "FatFs",
"versions": [
{
"status": "affected",
"version": "0",
"lessThanOrEqual": "R0.16",
"versionType": "custom"
}
],
"defaultStatus": "unaffected"
}
]| Parameter | Position | Path | Description | CWE |
|---|---|---|---|---|
| XDIR_NumLabel | path | f_getlabel() | Stack buffer overflow in f_getlabel() when processing an exFAT volume with an oversized label (XDIR_NumLabel). | CWE-121 |
| LFN | path | f_readdir() | Buffer overflow in calling applications when iterating a directory and copying long filenames (up to 255 bytes) into a fixed-size buffer. | CWE-120 |
| finfo.fsize | request body | f_read(fp, buf, finfo.fsize, &br) | Heap or stack overflow occurring when an application uses the attacker-controlled finfo.fsize (resulting from a FAT32 integer overflow in mount_volume()) as a read length without bounding it against the destination buffer size. | CWE-190 |
Data
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25 Oct 2026 17:10Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.17.6
EPSS0.00322
SSVC