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CVE-2026-56111

🗓️ 24 Jun 2026 14:31:04Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Marlin firmware up to 2.1.2.7 has an out-of-bounds write in M421 with mesh bed leveling.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-56111
24 Jun 202614:31
attackerkb
Cvelist
CVE-2026-56111 Marlin Firmware 2.1.2.7 Out-of-Bounds Write via M421 G-code Handler
24 Jun 202614:31
cvelist
EUVD
EUVD-2026-38797
24 Jun 202614:31
euvd
NVD
CVE-2026-56111
24 Jun 202616:16
nvd
Positive Technologies
PT-2026-51836
24 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-56111 Marlin Firmware 2.1.2.7 Out-of-Bounds Write via M421 G-code Handler
24 Jun 202614:31
vulnrichment
Vulners
Node
marlinfirmwaremarlinRange02.1.2.7
[
  {
    "defaultStatus": "affected",
    "vendor": "MarlinFirmware",
    "product": "Marlin",
    "repo": "https://github.com/MarlinFirmware/Marlin",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "versionType": "custom",
        "lessThanOrEqual": "2.1.2.7"
      },
      {
        "status": "unaffected",
        "version": "1f255d16ec2d456454fd444494cfb338d62b0fa1",
        "versionType": "git"
      }
    ]
  }
]

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24 Jun 2026 17:17Current
5.9Medium risk
Vulners AI Score5.9
CVSS 48.3
CVSS 3.19.1
SSVC
6