CVE-2026-3797— Tiandy Video Surveillance System 视频监控平台 CLS_REST_File.java uploadFile unrestricted upload
Quick assessment
Affected
Tiandy Video Surveillance System 视频监控平台
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.
Tiandy Video Surveillance System是中国Tiandy公司的一个视频监控系统。 Tiandy Video Surveillance System 7.17.0版本存在代码问题漏洞，该漏洞源于对文件/src/com/tiandy/easy7/core/rest/CLS_REST_File.java中参数fileName的错误操作，可能导致任意文件上传。
Possible ATT&CK Techniques 1 AI
T1505.003 · Web Shell
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I. Basic Information for CVE-2026-3797
Vulnerability Information
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Vulnerability Title
Tiandy Video Surveillance System 视频监控平台 CLS_REST_File.java uploadFile unrestricted upload
Source: CVE Program / CVE List V5
Vulnerability Description
A security vulnerability has been detected in Tiandy Video Surveillance System 视频监控平台 7.17.0. The impacted element is the function uploadFile of the file /src/com/tiandy/easy7/core/rest/CLS_REST_File.java. The manipulation of the argument fileName leads to unrestricted upload. The attack may be initiated remotely. The exploit has been disclosed publicly and may 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:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
Tiandy Video Surveillance System 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Tiandy Video Surveillance System是中国Tiandy公司的一个视频监控系统。 Tiandy Video Surveillance System 7.17.0版本存在代码问题漏洞，该漏洞源于对文件/src/com/tiandy/easy7/core/rest/CLS_REST_File.java中参数fileName的错误操作，可能导致任意文件上传。
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 |
|---|---|---|---|---|
| Tiandy | Video Surveillance System 视频监控平台 | 7.17.0 | - |
|
II. Public POCs for CVE-2026-3797
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-3797 (1)
Other References for CVE-2026-3797 (1)
-
Feishu - Log in exploit
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V. Comments for CVE-2026-3797
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