Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2025-41704— Phoenix Contact: Unauthenticated Modbus Service DoS via Crafted Function Code

Quick assessment

Affected
Phoenix Contact QUINT4-UPS/24DC/24DC/5/EIP
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.

Phoenix Contact QUINT4-UPS/24DC/24DC/10/EIP等都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多款产品存在安全漏洞，该漏洞源于未经身份验证的攻击者可发送特定功能和子功能代码，可能导致Modbus服务拒绝服务攻击。以下产品受到影响：QUINT4-UPS/24DC/24DC/5/EIP、QUINT4-UPS/24DC/24DC/10/EIP和QUINT4-UPS/24DC/24DC/20/EIP

CVSS 5.3 · Medium EPSS 1.59% · P75

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2025-41704

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
Phoenix Contact: Unauthenticated Modbus Service DoS via Crafted Function Code
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthanticated remote attacker can perform a DoS of the Modbus service by sending a specific function and sub-function code without affecting the core functionality.
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
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
Phoenix Contact多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Phoenix Contact QUINT4-UPS/24DC/24DC/10/EIP等都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多款产品存在安全漏洞，该漏洞源于未经身份验证的攻击者可发送特定功能和子功能代码，可能导致Modbus服务拒绝服务攻击。以下产品受到影响：QUINT4-UPS/24DC/24DC/5/EIP、QUINT4-UPS/24DC/24DC/10/EIP和QUINT4-UPS/24DC/24DC/20/EIP
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-2025-41704

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2025-41704

请登录查看更多情报信息。

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-2025-41703 7.5 HIGH Phoenix Contact: UPS Shutdown via Unauthenticated Modbus Command
CVE-2025-41705 6.8 MEDIUM Phoenix Contact: WebSocket Message Interception Leaks Webfrontend Credentials
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
Same weakness: CWE-770

V. Comments for CVE-2025-41704

No comments yet

Leave a comment