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CVE-2025-11482— Allocation of Resources Without Limits or Throttling in the OPC-UA Server

Quick assessment

Affected
B&R Industrial Automation GmbH PPT30 Operating System
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.

B&R Industrial Automation PPT30 Operating System是奥地利贝加莱工业自动化（B&R Industrial Automation）公司的一个工业控制终端操作系统。 B&R Industrial Automation PPT30 Operating System 1.8.0之前版本存在安全漏洞，该漏洞源于OPC-UA服务器中资源无限制或节流分配问题，可能导致未经身份验证的网络攻击者永久阻止合法用户与服务交互。

CVSS 7.5 · High EPSS 0.32% · P23

Affected Version Matrix 1

VendorProduct Version RangeStatus
B&R Industrial Automation GmbH PPT30 Operating System < 1.8.0 affected
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I. Basic Information for CVE-2025-11482

Vulnerability Information
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Vulnerability Title
Allocation of Resources Without Limits or Throttling in the OPC-UA Server
Source: CVE Program / CVE List V5
Vulnerability Description
An Allocation of Resources Without Limits or Throttling vulnerability in the OPC-UA Server used in PPT30 Operating System versions before 1.8.0 may be used by an unauthenticated network-based attacker to permanently prevent legitimate users from interacting with the service.
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:H
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
B&R Industrial Automation PPT30 Operating System 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
B&R Industrial Automation PPT30 Operating System是奥地利贝加莱工业自动化（B&R Industrial Automation）公司的一个工业控制终端操作系统。 B&R Industrial Automation PPT30 Operating System 1.8.0之前版本存在安全漏洞，该漏洞源于OPC-UA服务器中资源无限制或节流分配问题，可能导致未经身份验证的网络攻击者永久阻止合法用户与服务交互。
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
B&R Industrial Automation GmbH PPT30 Operating System 0 ~ 1.8.0 -

II. Public POCs for CVE-2025-11482

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III. Intelligence Information for CVE-2025-11482

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Vendor Advisories for CVE-2025-11482 (1)

IV. Related Vulnerabilities

Same vendor: B&R Industrial Automation GmbH
Same weakness: CWE-770

V. Comments for CVE-2025-11482

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