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CVE-2025-5241— Denial-of-Service Vulnerability in MELSEC iQ-F Series

CVSS 5.3 · Medium EPSS 0.49% · P66
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I. Basic Information for CVE-2025-5241

Vulnerability Information
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Vulnerability Title
Denial-of-Service Vulnerability in MELSEC iQ-F Series
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
过度限制的账户封锁机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mitsubishi Electric MELSEC iQ-F Series 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mitsubishi Electric MELSEC iQ-F Series是日本三菱电机（Mitsubishi Electric）公司的一系列简易运动控制器。 Mitsubishi Electric MELSEC iQ-F Series存在安全漏洞，该漏洞源于过于严格的账户锁定机制，可能导致远程未经验证的攻击者锁定合法用户。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-32MT/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-32MT/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-32MT/ESS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-32MT/DSS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-32MR/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-32MR/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-64MT/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-64MT/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-64MT/ESS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-64MT/DSS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-64MR/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-64MR/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-80MT/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-80MT/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-80MT/ESS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-80MT/DSS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-80MR/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5U-80MR/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-32MT/D All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-32MT/DSS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-64MT/D All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-64MT/DSS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-96MT/D All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-96MT/DSS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-32MT/DS-TS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-32MT/DSS-TS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UC-32MR/DS-TS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MT/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MT/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MT/ESS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MT/DSS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MR/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MR/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MT/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MT/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MT/ESS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MT/DSS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MR/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MR/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MT/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MT/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MT/ESS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MT/DSS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MR/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MR/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MT/ES-A All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-24MR/ES-A All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MT/ES-A All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-40MR/ES-A All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MT/ES-A All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5UJ-60MR/ES-A All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-30MT/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-30MT/ESS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-30MR/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-40MT/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-40MT/ESS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-40MR/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-60MT/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-60MT/ESS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-60MR/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-80MT/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-80MT/ESS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-80MR/ES All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-30MT/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-30MT/DSS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-30MR/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-40MT/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-40MT/DSS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-40MR/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-60MT/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-60MT/DSS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5S-60MR/DS All versions -
Mitsubishi Electric CorporationMELSEC iQ-F Series FX5-CCLGN-MS All versions -

II. Public POCs for CVE-2025-5241

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III. Intelligence Information for CVE-2025-5241

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IV. Related Vulnerabilities

Same product: MELSEC iQ-F Series FX5U-32MT/ES
Same vendor: Mitsubishi Electric Corporation
Same weakness: CWE-645

V. Comments for CVE-2025-5241

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