CVE-2025-5241— Denial-of-Service Vulnerability in MELSEC iQ-F Series
Quick assessment
Affected
Mitsubishi Electric Corporation MELSEC iQ-F Series FX5U-32MT/ES
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
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。
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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: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
过度限制的账户封锁机制
Source: CVE Program / CVE List V5
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
II. Public POCs for CVE-2025-5241
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2025-5241 (1)
IV. Related Vulnerabilities
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CVE-2025-14816
Information Disclosure, Tampering, and Denial-of-Service Vul
Same weakness: CWE-645
V. Comments for CVE-2025-5241
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