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Marlin Firmware Marlin version 1.1.x and earlier contains a Buffer Overflow vulnerability…

Priority MEDIUM 48CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Marlin Firmware Marlin version 1.1.x and earlier contains a Buffer Overflow vulnerability in cardreader.cpp (Depending on branch/version) that can result in Arbitrary code execution. This attack appear to be exploitable via Crafted G-Code instruction/file is sent to the printer.

Why it matters now

EPSS 0.03376 88th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:marlinfw:marlin_firmware:*:*:*:*:*:*:*:*up to 1.1.0VulnerableMarlinfw
  • cpe:2.3:o:marlinfw:marlin_firmware:*:*:*:*:*:*:*:* Versions up to 1.1.0 Vulnerable ·Marlinfw

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-1000537
  2. 2026-10-03 Alias added: GHSA-52mm-j9gg-2xgp

References

Sources