What’s Vulnerable › Vulnerabilities
CVE-2026-13584: Information tampering and Denial-of-service (DoS) vulnerability in CC-Link IE TSN communication protocol
- Severity: high (CVSS 7.1 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-07-30 · updated 2026-09-18
- Weakness: CWE-924
Description
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 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.
Affected products
- Mitsubishi Electric Corporation AC Servo MELSERVO-J5 MR-J5-G: all versions
- Mitsubishi Electric Corporation AC Servo MELSERVO-J5 MR-J5-G-HS: all versions
- Mitsubishi Electric Corporation AC Servo MELSERVO-J5 MR-J5-G-LL: all versions
- Mitsubishi Electric Corporation AC Servo MELSERVO-J5 MR-J5-G-RJ: all versions
- Mitsubishi Electric Corporation AC Servo MELSERVO-J5 MR-J5D-G4: all versions
- Mitsubishi Electric Corporation AC Servo MELSERVO-J5 MR-J5W-G: all versions
- Mitsubishi Electric Corporation AC Servo MELSERVO-J5 MR-MD333G: all versions
- Mitsubishi Electric Corporation AC Servo MELSERVO-JET MR-JET-G: all versions
- Mitsubishi Electric Corporation AC Servo MELSERVO-JET MR-JET-G4-HS: all versions
- Mitsubishi Electric Corporation Analog-Digital converter module NZ2GN2B-60AD4: all versions
- Mitsubishi Electric Corporation Analog-Digital converter module NZ2GN2S-60AD4: all versions
- Mitsubishi Electric Corporation Analysis Support Software MELSOFT VIMA SW1DNN-VIMA-M: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN12A2-16T: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN12A2-16TE: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN12A4-16D: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN12A4-16DE: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN12A42-16DT: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN12A42-16DTE: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN2B1-16D: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN2B1-16T: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN2B1-16TE: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN2B1-32D: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN2B1-32DT: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN2B1-32DTE: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN2B1-32T: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN2B1-32TE: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN2S1-16D: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN2S1-16T: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN2S1-16TE: all versions
- Mitsubishi Electric Corporation Block-type remote module NZ2GN2S1-32D: all versions
References
- https://jvn.jp/vu/JVNVU98879231/
- https://www.cisa.gov/news-events/ics-advisories/icsa-26-211-07
- https://www.mitsubishielectric.com/psirt/vulnerability/pdf/2026-005_en.pdf
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