CVE-2025-5241 Denial-of-Service Vulnerability in MELSEC iQ-F Series
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.
Problem types: cwe_id: CWE-645
description: CWE-645 Overly Restrictive Account Lockout Mechanism
Affected products: vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-32MT/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-32MT/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-32MT/ESS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-32MT/DSS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-32MR/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-32MR/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-64MT/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-64MT/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-64MT/ESS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-64MT/DSS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-64MR/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-64MR/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-80MT/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-80MT/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-80MT/ESS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-80MT/DSS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-80MR/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5U-80MR/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UC-32MT/D
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UC-32MT/DSS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UC-64MT/D
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UC-64MT/DSS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UC-96MT/D
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UC-96MT/DSS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UC-32MT/DS-TS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UC-32MT/DSS-TS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UC-32MR/DS-TS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-24MT/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-24MT/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-24MT/ESS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-24MT/DSS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-24MR/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-24MR/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-40MT/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-40MT/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-40MT/ESS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-40MT/DSS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-40MR/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-40MR/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-60MT/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-60MT/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-60MT/ESS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-60MT/DSS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-60MR/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-60MR/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-24MT/ES-A
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-24MR/ES-A
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-40MT/ES-A
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-40MR/ES-A
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-60MT/ES-A
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5UJ-60MR/ES-A
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-30MT/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-30MT/ESS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-30MR/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-40MT/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-40MT/ESS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-40MR/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-60MT/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-60MT/ESS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-60MR/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-80MT/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-80MT/ESS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-80MR/ES
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-30MT/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-30MT/DSS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-30MR/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-40MT/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-40MT/DSS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-40MR/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-60MT/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-60MT/DSS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5S-60MR/DS
default_status: unaffected
vendor: Mitsubishi Electric Corporation
product: MELSEC iQ-F Series FX5-CCLGN-MS
default_status: unaffected
CVSS v3.1: attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: LOW
baseScore: 5.3
baseSeverity: MEDIUM
confidentialityImpact: NONE
integrityImpact: NONE
privilegesRequired: NONE
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
version: 3.1
Published: 2025-07-11T00:16:43.275Z