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CVE-2025-13926— Contemporary Controls BASC 20T Reliance on Untrusted Inputs in a Security Decision

Quick assessment

Affected
Contemporary Controls BASControl20
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.

Contemporary Controls BASControl20是美国Contemporary Controls公司的一款楼宇自动化控制与BACnet通信控制器。 Contemporary Controls BASC 20T存在安全漏洞，该漏洞源于网络流量嗅探，可能导致伪造数据包发起任意请求。

CVSS 9.8 · Critical EPSS 0.44% · P37

Possible ATT&CK Techniques 1 AI

T1040 · Network Sniffing
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I. Basic Information for CVE-2025-13926

Vulnerability Information
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Vulnerability Title
Contemporary Controls BASC 20T Reliance on Untrusted Inputs in a Security Decision
Source: CVE Program / CVE List V5
Vulnerability Description
An attacker could use data obtained by sniffing the network traffic to forge packets in order to make arbitrary requests to Contemporary Controls BASC 20T.
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
在安全决策中依赖未经信任的输入
Source: CVE Program / CVE List V5
Vulnerability Title
Contemporary Controls BASControl20 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Contemporary Controls BASControl20是美国Contemporary Controls公司的一款楼宇自动化控制与BACnet通信控制器。 Contemporary Controls BASC 20T存在安全漏洞，该漏洞源于网络流量嗅探，可能导致伪造数据包发起任意请求。
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Contemporary Controls BASControl20 3.1 -

II. Public POCs for CVE-2025-13926

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III. Intelligence Information for CVE-2025-13926

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Vendor Advisories for CVE-2025-13926 (1)

IV. Related Vulnerabilities

Same vendor: Contemporary Controls
Same weakness: CWE-807

V. Comments for CVE-2025-13926

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