CVE-2026-4476— Yi Technology YI Home Camera CGI Endpoint ipc missing authentication
Quick assessment
Affected
Yi Technology YI Home Camera
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.
Yi Technology YI Home Camera 2是中国Yi Technology公司的一款智能家用摄像设备。 Yi Technology YI Home Camera 2 2.1.1_20171024151200版本存在访问控制错误漏洞，该漏洞源于组件CGI Endpoint的文件home/web/ipc缺少身份验证。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4476
Vulnerability Information
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Vulnerability Title
Yi Technology YI Home Camera CGI Endpoint ipc missing authentication
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in Yi Technology YI Home Camera 2 2.1.1_20171024151200. The impacted element is an unknown function of the file home/web/ipc of the component CGI Endpoint. Performing a manipulation results in missing authentication. Access to the local network is required for this attack. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/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
Yi Technology YI Home Camera 2 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Yi Technology YI Home Camera 2是中国Yi Technology公司的一款智能家用摄像设备。 Yi Technology YI Home Camera 2 2.1.1_20171024151200版本存在访问控制错误漏洞，该漏洞源于组件CGI Endpoint的文件home/web/ipc缺少身份验证。
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 |
|---|---|---|---|---|
| Yi Technology | YI Home Camera | 2 2.1.1_20171024151200 | - |
|
II. Public POCs for CVE-2026-4476
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Yi Technology · 2026-03-20 · 4 CVEs total
| CVE-2026-4475 | 8.8 HIGH | Yi Technology YI Home Camera ipc hard-coded credentials |
| CVE-2026-4478 | 8.1 HIGH | Yi Technology YI Home Camera HTTP Firmware Update ipc signature verification |
| CVE-2026-4477 | 3.1 LOW | Yi Technology YI Home Camera WPA/WPS hard-coded key |
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V. Comments for CVE-2026-4476
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