CVE-2025-5241: Mitsubishi Electric Corporation Melsec Iq-F Series FX5-Cclgn-Ms
Medium severity, CVSS 5.3. EPSS: 0.4% chance of exploitation in the next 30 days.
Overly Restrictive Account Lockout Mechanism vulnerability in Mitsubishi Electric Corporation MELSEC iQ-F Series allows a remote unauthenticated attacker to lockout legitimate users for a certain period by repeatedly attempting to login with incorrect passwords. The legitimate users will be unable to login until a certain period has passed after the lockout or until the product is reset.
Affected products
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5-Cclgn-Ms: any version
- 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/es: 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
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5U-32mr/es: any version
- Mitsubishi Electric Corporation Melsec Iq-F Series FX5U-32mt/ds: any version
- and 48 more
Published 2025-07-11. Last modified 2026-06-17.