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Fencer Intel
high 7.1

CVE-2026-13584 json

Information tampering and Denial-of-service (DoS) vulnerability in CC-Link IE TSN communication protocol

published 3mo ago modified 4d ago also EUVD-2026-51024

cvss
7.1
version 4.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits
0
none known

Summary

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, MELSEC iQ-L Series 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/D800 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, 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, 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.

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-26-211-07 updated cvss 7.1

Mitsubishi Electric CC-Link IE TSN Communication Protocol (Update B)

  • Mitsubishi Electric AC Servo MELSERVO-J5 MR-J5-G Mitsubishi Electric AC Servo MELSERVO-J5 MR-J5-G-HS Mitsubishi Electric AC Servo MELSERVO-J5 MR-J5-G-LL Mitsubishi Electric AC Servo MELSERVO-J5 MR-J5-G-RJ Mitsubishi Electric AC Servo MELSERVO-J5 MR-J5D-G4 Mitsubishi Electric AC Servo MELSERVO-J5 MR-J5W-G
    +34 more products
    Mitsubishi Electric AC Servo MELSERVO-J5 MR-MD333G Mitsubishi Electric AC Servo MELSERVO-JET MR-JET-G Mitsubishi Electric AC Servo MELSERVO-JET MR-JET-G4-HS Mitsubishi Electric Analog-Digital converter module NZ2GN2B-60AD4 Mitsubishi Electric Analog-Digital converter module NZ2GN2S-60AD4 Mitsubishi Electric Analysis Support Software MELSOFT VIMA SW1DNN-VIMA-M Mitsubishi Electric Block-type remote module NZ2GN2B1-16D Mitsubishi Electric Block-type remote module NZ2GN2B1-16T Mitsubishi Electric Block-type remote module NZ2GN2B1-16TE Mitsubishi Electric Block-type remote module NZ2GN2B1-32D Mitsubishi Electric Block-type remote module NZ2GN2B1-32DT Mitsubishi Electric Block-type remote module NZ2GN2B1-32DTE Mitsubishi Electric Block-type remote module NZ2GN2B1-32T Mitsubishi Electric Block-type remote module NZ2GN2B1-32TE Mitsubishi Electric Block-type remote module NZ2GN2S1-16D Mitsubishi Electric Block-type remote module NZ2GN2S1-16T Mitsubishi Electric Block-type remote module NZ2GN2S1-16TE Mitsubishi Electric Block-type remote module NZ2GN2S1-32D Mitsubishi Electric Block-type remote module NZ2GN2S1-32DT Mitsubishi Electric Block-type remote module NZ2GN2S1-32DTE Mitsubishi Electric Block-type remote module NZ2GN2S1-32T Mitsubishi Electric Block-type remote module NZ2GN2S1-32TE Mitsubishi Electric Block-type remote module NZ2GN12A2-16T Mitsubishi Electric Block-type remote module NZ2GN12A2-16TE Mitsubishi Electric Block-type remote module NZ2GN12A4-16D Mitsubishi Electric Block-type remote module NZ2GN12A4-16DE Mitsubishi Electric Block-type remote module NZ2GN12A42-16DT Mitsubishi Electric Block-type remote module NZ2GN12A42-16DTE Mitsubishi Electric Block-type remote module NZ2GNCE3-32D Mitsubishi Electric Block-type remote module NZ2GNCE3-32DT Mitsubishi Electric Block-type remote module NZ2GNCF1-32D Mitsubishi Electric Block-type remote module NZ2GNCF1-32T Mitsubishi Electric Block-type remote module with safety functions NZ2GNS12A2-14DT Mitsubishi Electric Block-type remote module with safety functions NZ2GNS12A2-16DTE
    affected: mitigation, no fix planned mitsubishielectric.com

82 more affected in the full advisory

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
3mo ago

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 4.0 7.1 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
CNA 4.0 7.1 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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
  • Mitsubishi Electric Corporation MELSEC MX Controller MX-F model MXF100-16-P32
  • Mitsubishi Electric Corporation MELSEC MX Controller MX-F model MXF100S-N32
  • Mitsubishi Electric Corporation MELSEC MX Controller MX-F model MXF100S-P32
  • Mitsubishi Electric Corporation MELSEC MX Controller MX-F model MXF100S-8-N32
  • Mitsubishi Electric Corporation MELSEC MX Controller MX-F model MXF100S-8-P32
  • Mitsubishi Electric Corporation MELSEC MX Controller MX-F model MXF100S-16-N32
  • Mitsubishi Electric Corporation MELSEC MX Controller MX-F model MXF100S-16-P32
  • Mitsubishi Electric Corporation Master/local module RJ71GN11-T2
  • Mitsubishi Electric Corporation Master/local module RJ71GN11-SX
  • Mitsubishi Electric Corporation Master/local module RJ71GN11-EIP
  • Mitsubishi Electric Corporation Master/local module FX5-CCLGN-MS
  • Mitsubishi Electric Corporation CC-Link IE TSN interface board NZ81GN11-SX
  • Mitsubishi Electric Corporation CC-Link IE TSN interface board NZ81GN11-T2
  • Mitsubishi Electric Corporation Motion module RD78G4
  • Mitsubishi Electric Corporation Motion module RD78G8
  • Mitsubishi Electric Corporation Motion module RD78G16
  • Mitsubishi Electric Corporation Motion module RD78G64
  • Mitsubishi Electric Corporation Motion module RD78GHV
  • Mitsubishi Electric Corporation Motion module RD78GHW
  • Mitsubishi Electric Corporation Motion module FX5-40SSC-G
  • Mitsubishi Electric Corporation Motion module FX5-80SSC-G
  • Mitsubishi Electric Corporation MELSEC iQ-L Series Motion Module LD78G4
  • Mitsubishi Electric Corporation MELSEC iQ-L Series Motion module LD78G16
  • Mitsubishi Electric Corporation Motion Control Board MR-EM441G
  • Mitsubishi Electric Corporation Block-type remote module NZ2GN2S1-32D
  • Mitsubishi Electric Corporation Block-type remote module NZ2GN2S1-32T
  • Mitsubishi Electric Corporation Block-type remote module NZ2GN2S1-32TE
  • Mitsubishi Electric Corporation Block-type remote module NZ2GN2S1-32DT
  • Mitsubishi Electric Corporation Block-type remote module NZ2GN2S1-32DTE
  • Mitsubishi Electric Corporation Block-type remote module NZ2GN2B1-32D
  • Mitsubishi Electric Corporation Block-type remote module NZ2GN2B1-32T
  • Mitsubishi Electric Corporation Block-type remote module NZ2GN2B1-32TE
  • Mitsubishi Electric Corporation Block-type remote module NZ2GN2B1-32DT
  • Mitsubishi Electric Corporation Block-type remote module NZ2GN2B1-32DTE
  • Mitsubishi Electric Corporation Block-type remote module NZ2GNCF1-32D
  • Mitsubishi Electric Corporation Block-type remote module NZ2GNCF1-32T
  • Mitsubishi Electric Corporation Block-type remote module NZ2GNCE3-32D
  • Mitsubishi Electric Corporation Block-type remote module NZ2GNCE3-32DT
  • Mitsubishi Electric Corporation Block-type remote module NZ2GN12A4-16D
  • Mitsubishi Electric Corporation Block-type remote module NZ2GN12A4-16DE
  • Mitsubishi Electric Corporation Block-type remote module NZ2GN12A2-16T
  • Mitsubishi Electric Corporation Block-type remote module NZ2GN12A2-16TE

Classification

Weakness
  • CWE-924 Improper Enforcement of Message Integrity During Transmission in a Communication Channel

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.