CVE-2025-7731: Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-30mr/ds
High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.
Cleartext Transmission of Sensitive Information vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series CPU module allows a remote unauthenticated attacker to obtain credential information by intercepting SLMP communication messages, and read or write the device values of the product and stop the operations of programs by using the obtained credential information.
Affected products
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-30mr/ds: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-30mr/es: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-30mt/ds: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-30mt/dss: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-30mt/es: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-30mt/ess: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-40mr/ds: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-40mr/es: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-40mt/ds: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-40mt/dss: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-40mt/es: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-40mt/ess: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-60mr/ds: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-60mr/es: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-60mt/ds: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-60mt/dss: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-60mt/es: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-60mt/ess: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-80mr/ds: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-80mr/es: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-80mt/ds: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-80mt/dss: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-80mt/es: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5S-80mt/ess: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5U-32mr/ds: any version
- and 50 more
Published 2025-09-01. Last modified 2026-06-17.