CVE-2025-41703— Phoenix Contact: UPS Shutdown via Unauthenticated Modbus Command
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I. Basic Information for CVE-2025-41703
Vulnerability Information
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Vulnerability Title
Phoenix Contact: UPS Shutdown via Unauthenticated Modbus Command
Source: NVD (National Vulnerability Database)
Vulnerability Description
An unauthenticated remote attacker can cause a Denial of Service by turning off the output of the UPS via Modbus command.
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:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
关键功能的认证机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
Phoenix Contact QUINT4-UPS/24DC/24DC/10/EIP 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Phoenix Contact QUINT4-UPS/24DC/24DC/10/EIP是德国菲尼克斯电气（Phoenix Contact）公司的一款工业级直流不间断电源模块。 Phoenix Contact QUINT4-UPS/24DC/24DC/10/EIP存在访问控制错误漏洞，该漏洞源于未经身份验证的攻击者可通过Modbus命令关闭UPS输出，可能导致拒绝服务。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Phoenix Contact | QUINT4-UPS/24DC/24DC/5/EIP | VC:00 ~ VC:07 | - | |
| Phoenix Contact | QUINT4-UPS/24DC/24DC/10/EIP | VC:00 ~ VC:07 | - | |
| Phoenix Contact | QUINT4-UPS/24DC/24DC/20/EIP | VC:00 ~ VC:07 | - | |
| Phoenix Contact | QUINT4-UPS/24DC/24DC/40/EIP | VC:00 ~ VC:07 | - |
II. Public POCs for CVE-2025-41703
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Phoenix Contact · 2025-10-14 · 6 CVEs total
| CVE-2025-41699 | 8.8 HIGH | Phoenix Contact: Security Advisory for CHARX SEC-3xxx charging controllers |
| CVE-2025-41705 | 6.8 MEDIUM | Phoenix Contact: WebSocket Message Interception Leaks Webfrontend Credentials |
| CVE-2025-41704 | 5.3 MEDIUM | Phoenix Contact: Unauthenticated Modbus Service DoS via Crafted Function Code |
| CVE-2025-41706 | 5.3 MEDIUM | Phoenix Contact: Webserver Denial of Service through Malformed Content-Length |
| CVE-2025-41707 | 5.3 MEDIUM | Phoenix Contact: WebSocket Handler Denial of Service |
IV. Related Vulnerabilities
Same product: QUINT4-UPS/24DC/24DC/5/EIP
Same vendor: Phoenix Contact
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V. Comments for CVE-2025-41703
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