CVE-2023-3346

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in MITSUBSHI CNC Series allows a remote unauthenticated attacker to cause Denial of Service (DoS) condition and execute arbitrary code on the product by sending specially crafted packets. In addition, system reset is required for recovery.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Aug 3, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2023-3346: Critical severity, CVSS 9.8 | Vulnix