Description
Weak Password Requirements vulnerability in FTP function on Mitsubishi Electric Corporation MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 and MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP allows a remote unauthenticated attacker to access to the module via FTP by dictionary attack or password sniffing.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Mitsubishi Electric | MELSEC iQ-R Series EtherNet/IP module RJ71EIP91 | all versions | — |
| Mitsubishi Electric | MELSEC iQ-F Series EtherNet/IP module FX5-ENET/IP | all versions | — |
Advisories 1
- ICSA-23-157-02 Mitsubishi Electric MELSEC iQ-R Series/iQ-F Series (Update C) CISA ICS & IT advisories · Dec 2, 2025