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CVE-2018-25126— TVT NVMS-9000 Hard-coded API Credentials & Command Injection

Quick assessment

Affected
Shenzhen TVT Digital Technology Co., Ltd. NVMS-9000
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.

TVT NVMS-9000是中国同为（TVT）公司的一款数字视频录像机。 TVT NVMS-9000 1.3.4之前版本存在安全漏洞，该漏洞源于包含硬编码API凭据和配置服务中存在OS命令注入缺陷，可能导致任意命令执行。

AI Predicted 9.8 Difficulty: Trivial EPSS 4.07% · P90
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I. Basic Information for CVE-2018-25126

Vulnerability Information
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Vulnerability Title
TVT NVMS-9000 Hard-coded API Credentials & Command Injection
Source: CVE Program / CVE List V5
Vulnerability Description
Shenzhen TVT Digital Technology Co., Ltd. NVMS-9000 firmware (used by many white-labeled DVR/NVR/IPC products) contains hardcoded API credentials and an OS command injection flaw in its configuration services. The web/API interface accepts HTTP/XML requests authenticated with a fixed vendor credential string and passes user-controlled fields into shell execution contexts without proper argument sanitization. An unauthenticated remote attacker can leverage the hard-coded credential to access endpoints such as /editBlackAndWhiteList and inject shell metacharacters inside XML parameters, resulting in arbitrary command execution as root. The same vulnerable backend is also reachable in some models through a proprietary TCP service on port 4567 that accepts a magic GUID preface and base64-encoded XML, enabling the same command injection sink. Firmware releases from mid-February 2018 and later are reported to have addressed this issue. Exploitation evidence was observed by the Shadowserver Foundation on 2025-01-28 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:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的凭证
Source: CVE Program / CVE List V5
Vulnerability Title
TVT NVMS-9000 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TVT NVMS-9000是中国同为（TVT）公司的一款数字视频录像机。 TVT NVMS-9000 1.3.4之前版本存在安全漏洞，该漏洞源于包含硬编码API凭据和配置服务中存在OS命令注入缺陷，可能导致任意命令执行。
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 Digital Technology Co., Ltd. NVMS-9000 0 ~ mid-February firmware builds -

II. Public POCs for CVE-2018-25126

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III. Intelligence Information for CVE-2018-25126

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Proof of Concept for CVE-2018-25126 (1)

Other References for CVE-2018-25126 (1)

IV. Related Vulnerabilities

Same product: NVMS-9000
Same vendor: Shenzhen TVT Digital Technology Co., Ltd.
Same weakness: CWE-798

V. Comments for CVE-2018-25126

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