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CVE-2026-56111

CRITICAL · CVSS 9.1 EPSS %0.54 Public Exploit

Kaynak: NVD + CISA KEV + EPSS · Yayınlanma: 2026-06-24T16:16:32.930 · Çekilme zamanı: 2026-06-30T18:31:35.601154+00:00

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Public Exploit Sinyali

Bu CVE için açıklama veya referanslarda public exploit / PoC / GitHub / Metasploit sinyali tespit edildi.

Not: Bu bağlantılar yalnızca güvenlik araştırması ve doğrulama amacıyla listelenmiştir.

CVE
CVE-2026-56111
Severity
CRITICAL
CVSS
9.1
EPSS
%0.54

Orijinal NVD Açıklaması

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 grid indices. Attackers can send a single crafted G-code command via USB serial, network interface, or malicious gcode file to write an attacker-controlled 32-bit float value past the z_values array bounds, corrupting adjacent firmware variables and causing denial of service or firmware state corruption.