CVE-2025-41720— Sauter: Arbitrary File Upload
Quick assessment
Affected
Sauter modulo 6 devices modu680-AS
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.
Sauter modu680-AS是瑞士Sauter公司的一个模块化自动化站兼web服务器。 Sauter modu680-AS 存在安全漏洞，该漏洞源于仅验证文件扩展名，可能导致低权限远程攻击者上传任意数据。
Possible ATT&CK Techniques 1 AI
T1505.003 · Web Shell
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I. Basic Information for CVE-2025-41720
Vulnerability Information
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Vulnerability Title
Sauter: Arbitrary File Upload
Source: CVE Program / CVE List V5
Vulnerability Description
A low privileged remote attacker can upload arbitrary data masked as a png file to the affected device using the webserver API because only the file extension is verified.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
依赖于外部提供文件的文件名或扩展名
Source: CVE Program / CVE List V5
Vulnerability Title
Sauter modu680-AS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sauter modu680-AS是瑞士Sauter公司的一个模块化自动化站兼web服务器。 Sauter modu680-AS 存在安全漏洞，该漏洞源于仅验证文件扩展名，可能导致低权限远程攻击者上传任意数据。
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 |
|---|---|---|---|---|
| Sauter | modulo 6 devices modu680-AS | 0.0.0 ~ Firmware v3.2.0 | - |
|
| Sauter | modulo 6 devices modu660-AS | 0.0.0 ~ Firmware v3.2.0 | - |
|
| Sauter | modulo 6 devices modu612-LC | 0.0.0 ~ Firmware v3.2.0 | - |
|
| Sauter | EY-modulo 5 modu 5 modu524 | 0.0 ~ Firmware v6.0 | - |
|
| Sauter | EY-modulo 5 modu 5 modu525 | 0.0 ~ Firmware v6.0 | - |
|
| Sauter | EY-modulo 5 ecos 5 ecos504/505 | 0.0 ~ Firmware v6.0 | - |
|
II. Public POCs for CVE-2025-41720
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Sauter · 2025-10-22 · 6 CVEs total
| CVE-2025-41723 | 9.8 CRITICAL | Sauter: Directory Traversal in importFile SOAP Method |
| CVE-2025-41719 | 8.8 HIGH | Sauter: Improper Validation of user-controlled data |
| CVE-2025-41724 | 7.5 HIGH | Sauter: Crash via Incomplete SOAP Request |
| CVE-2025-41722 | 7.5 HIGH | Sauter: Hard-coded Authentication Credentials |
| CVE-2025-41721 | 2.7 LOW | Sauter: Command Injection |
IV. Related Vulnerabilities
Same product: modulo 6 devices modu680-AS
Same vendor: Sauter
Same weakness: CWE-646
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V. Comments for CVE-2025-41720
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