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CVE-2026-24790— Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller Missing Authentication for Critical Function

Quick assessment

Affected
Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller
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.

Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller是美国Welker公司的一个工业天然气加臭系统。 Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller存在访问控制错误漏洞，该漏洞源于设备底层PLC缺乏适当的防护措施或身份验证，可能被远程操控。

CVSS 8.2 · High EPSS 0.45% · P38
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I. Basic Information for CVE-2026-24790

Vulnerability Information
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Vulnerability Title
Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller Missing Authentication for Critical Function
Source: CVE Program / CVE List V5
Vulnerability Description
The underlying PLC of the device can be remotely influenced, without proper safeguards or authentication.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller是美国Welker公司的一个工业天然气加臭系统。 Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller存在访问控制错误漏洞，该漏洞源于设备底层PLC缺乏适当的防护措施或身份验证，可能被远程操控。
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
Welker OdorEyes EcoSystem Pulse Bypass System with XL4 Controller All versions -

II. Public POCs for CVE-2026-24790

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III. Intelligence Information for CVE-2026-24790

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Vendor Advisories for CVE-2026-24790 (1)

IV. Related Vulnerabilities

Same weakness: CWE-306

V. Comments for CVE-2026-24790

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