CVE-2026-13584
Improper Enforcement of Message Integrity During Transmission in a Communication Channel vulnerability in Mitsubishi Electric MELSEC MX Controller MX-R model, MELSEC MX Controller MX-F model, Master/local module, CC-Link IE TSN interface board, Motion module, Motion Control Board, Block-type remote module, Block-type remote module with safety functions, Analog-Digital converter module, Digital-Analog converter module, CC-Link IE TSN compatible coupler, FPGA module, Tension meter, AC Servo MELSERVO-J5, AC Servo MELSERVO-JET, Liner Track System MTR-S series Linear track control module, Inverter FR-A800/F800/E800 Series, Industrial Robot CR800-D series controller Network Base Card, CC-Link IE TSN expansion unit, CC-Link IE TSN-CC-Link IE Field Network bridge module, CC-Link IE TSN-AnyWireASLINK bridge module, Energy Measuring Unit CC-Link IE TSN Communication Unit, Industrial Computer MELIPC series, GOT3000 Series, CC-Link IE TSN Communication Unit, Motion Control Software, CC-Link IE TSN Communication Software for Windows, Analysis Support Software MELSOFT VIMA, Master/Local module Designated communication LSI DeviceKit, Master/Local module Designated communication LSI, Remote Station Communication LSI with GbE-PHY, CC-Link IE TSN Master/Local module Designated communication LSI SDK, and Remote station software development kit allows an attacker with access to a CC-Link IE TSN network to tamper with communication data (control input/output values) 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.
Scoring
- Severity
- HIGH
- CVSS base score
- 7.1
- CVSS vector
- CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
- EPSS probability
- 0.13%
- CWE
- CWE-924
- Published
- 2026-07-30
- Last modified
- 2026-08-04
Affected products
- Mitsubishi Electric Corporation MELSEC MX Controller MX-R model MXR300-16
- Mitsubishi Electric Corporation MELSEC MX Controller MX-R model MXR300-32
- Mitsubishi Electric Corporation MELSEC MX Controller MX-R model MXR300-64
- Mitsubishi Electric Corporation MELSEC MX Controller MX-R model MXR500-128
- Mitsubishi Electric Corporation MELSEC MX Controller MX-R model MXR500-256
- Mitsubishi Electric Corporation MELSEC MX Controller MX-F model MXF100-8-N32
- Mitsubishi Electric Corporation MELSEC MX Controller MX-F model MXF100-8-P32
- Mitsubishi Electric Corporation MELSEC MX Controller MX-F model MXF100-16-N32
Weakness type
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