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CVE-2025-41687— Weidmueller: Unauthenticated Stack-Based Buffer Overflow in u-link Management API

Quick assessment

Affected
Weidmueller IE-SR-2TX-WL
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.

Weidmueller IE-SR-2TX-WL等都是德国Weidmueller公司的一款工业级安全路由器。 Weidmueller多款产品存在安全漏洞，该漏洞源于u-link管理API中的栈缓冲区溢出，可能导致完全访问权限。以下产品受到影响：IE-SR-2TX-WL、IE-SR-2TX-WL-4G-EU 和IE-SR-2TX-WL-4G-US-V。

CVSS 9.8 · Critical EPSS 0.70% · P52
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I. Basic Information for CVE-2025-41687

Vulnerability Information
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Vulnerability Title
Weidmueller: Unauthenticated Stack-Based Buffer Overflow in u-link Management API
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated remote attacker may use a stack based buffer overflow in the u-link Management API to gain full access on the affected devices.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Weidmueller多款产品 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Weidmueller IE-SR-2TX-WL等都是德国Weidmueller公司的一款工业级安全路由器。 Weidmueller多款产品存在安全漏洞，该漏洞源于u-link管理API中的栈缓冲区溢出，可能导致完全访问权限。以下产品受到影响：IE-SR-2TX-WL、IE-SR-2TX-WL-4G-EU 和IE-SR-2TX-WL-4G-US-V。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Weidmueller IE-SR-2TX-WL V0.0 ~ V1.49 -
Weidmueller IE-SR-2TX-WL-4G-EU V0.0 ~ V1.62 -
Weidmueller IE-SR-2TX-WL-4G-US-V V0.0 ~ V1.62 -

II. Public POCs for CVE-2025-41687

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III. Intelligence Information for CVE-2025-41687

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Same Patch Batch · Weidmueller · 2025-07-23 · 3 CVEs total

CVE-2025-41684 8.8 HIGH Weidmueller: Root Command Injection via Unsanitized Input in tls_iotgen_setting Endpoint
CVE-2025-41683 8.8 HIGH Weidmueller: Root Command Injection via Unsanitized Input in event_mail_test Endpoint

IV. Related Vulnerabilities

Same product: IE-SR-2TX-WL
Same vendor: Weidmueller
Same weakness: CWE-121

V. Comments for CVE-2025-41687

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