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CVE-2021-30166— MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera - Command Injection

Quick assessment

Affected
MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera firmware
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.

Vivotek VIVOTEK IP Camera是中国台湾晶睿通讯（Vivotek）公司的一款IP摄像机。 IP camera device 存在操作系统命令注入漏洞，该漏洞源于NTP Server configuration未使用特殊参数进行校验。远程攻击者可利用该漏洞可以使用特权权限登录后执行命令注入攻击，并执行任意命令。

CVSS 7.2 · High EPSS 3.79% · P90

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-30166

Vulnerability Information
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Vulnerability Title
MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera - Command Injection
Source: CVE Program / CVE List V5
Vulnerability Description
The NTP Server configuration function of the IP camera device is not verified with special parameters. Remote attackers can perform a command Injection attack and execute arbitrary commands after logging in with the privileged permission.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A: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
Vivotek VIVOTEK IP Camera 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Vivotek VIVOTEK IP Camera是中国台湾晶睿通讯（Vivotek）公司的一款IP摄像机。 IP camera device 存在操作系统命令注入漏洞，该漏洞源于NTP Server configuration未使用特殊参数进行校验。远程攻击者可利用该漏洞可以使用特权权限登录后执行命令注入攻击，并执行任意命令。
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
MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera firmware unspecified ~ 7.1.94.8908 -

II. Public POCs for CVE-2021-30166

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III. Intelligence Information for CVE-2021-30166

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Other References for CVE-2021-30166 (2)

Same Patch Batch · MERIT LILIN ENT.CO.,LTD. · 2021-04-28 · 4 CVEs total

CVE-2021-30167 9.8 CRITICAL MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera - Broken Authentication
CVE-2021-30168 9.8 CRITICAL MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera - Sensitive Data Exposure-1
CVE-2021-30169 5.3 MEDIUM MERIT LILIN ENT.CO.,LTD. P2/Z2/P3/Z3 IP camera - Sensitive Data Exposure-2

IV. Related Vulnerabilities

Same product: P2/Z2/P3/Z3 IP camera firmware
Same vendor: MERIT LILIN ENT.CO.,LTD.
Same weakness: CWE-78

V. Comments for CVE-2021-30166

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