CVE-2025-34036— Shenzhen TVT CCTV-DVR Command Injection
Quick assessment
Affected
Shenzhen TVT CCTV-DVR
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
TVT DVR是中国同为（TVT）公司的一款视频录像机。 TVT DVR存在安全漏洞，该漏洞源于Cross Web Server中language参数未清理导致OS命令注入攻击。
Possible ATT&CK Techniques 2 AI
T1059 · Command and Scripting Interpreter T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-34036
Vulnerability Information
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Vulnerability Title
Shenzhen TVT CCTV-DVR Command Injection
Source: CVE Program / CVE List V5
Vulnerability Description
An OS command injection vulnerability exists in white-labeled DVRs manufactured by TVT, affecting a custom HTTP service called "Cross Web Server" that listens on TCP ports 81 and 82. The web interface fails to sanitize input in the URI path passed to the language extraction functionality. When the server processes a request to /language/[lang]/index.html, it uses the [lang] input unsafely in a tar extraction command without proper escaping. This allows an unauthenticated remote attacker to inject shell commands and achieve arbitrary command execution as root. Exploitation evidence was observed by the Shadowserver Foundation on 2025-02-06 UTC.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
TVT DVR 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TVT DVR是中国同为（TVT）公司的一款视频录像机。 TVT DVR存在安全漏洞，该漏洞源于Cross Web Server中language参数未清理导致OS命令注入攻击。
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 |
|---|---|---|---|---|
| Shenzhen TVT | CCTV-DVR | 0 | - |
|
II. Public POCs for CVE-2025-34036
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/Prabhukiran161/cve-2025-34036 | POC Details |
AI-Generated POC
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Exploits & Public PoCs for CVE-2025-34036 (1)
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🔗 Multiple CCTV-DVR Vendors - Remote Code Execution - Hardware remote Exploit Read full article third-party-advisory exploit
IV. Related Vulnerabilities
V. Comments for CVE-2025-34036
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