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MarlinFirmware

1 known vulnerabilities.

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  • Critical 9.1
    CVE-2026-56111 Public exploit

    Marlin Firmware 2.1.2.7 Out-of-Bounds Write via M421 G-code Handler

    Marlin Firmware through 2.1.2.7, fixed in commit 1f255d1, when built with MESH_BED_LEVELING enabled, contains an out-of-bounds write vulnerability in the M421 G-code handler that allows attackers to corrupt firmware memory by supplying out-of-range X and Y gr…