CVE-2026-56111 | MarlinFirmware Marlin up to 2.1.2.7 Network Interface array index (Issue 28467)

June 24, 2026 Yanac

A vulnerability labeled as very critical has been found in MarlinFirmware Marlin up to 2.1.2.7. This issue affects some unknown processing of the component Network Interface Handler. The manipulation results in improper validation of array index.

This vulnerability was named CVE-2026-56111. The attack needs to be approached within the local network. There is no available exploit.

The affected component should be upgraded.VulDB Recent EntriesRead More