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CVE-2022-43390

Quick assessment

Affected
Zyxel NR7101 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.

Zyxel NR7101是合勤（Zyxel）的一个路由器。 Zyxel NR7101固件V1.15（ACCC.3）C0之前的版本存在操作系统命令注入漏洞，该漏洞源于其CGI程序允许经过身份验证的攻击者通过发送精心制作的HTTP请求实现命令注入导致在设备上执行一些操作系统命令。

CVSS 5.4 · Medium EPSS 1.08% · P62

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2022-43390

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A command injection vulnerability in the CGI program of Zyxel NR7101 firmware prior to V1.15(ACCC.3)C0, which could allow an authenticated attacker to execute some OS commands on a vulnerable device by sending a crafted HTTP request.
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:N
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
Zyxel NR7101 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Zyxel NR7101是合勤（Zyxel）的一个路由器。 Zyxel NR7101固件V1.15（ACCC.3）C0之前的版本存在操作系统命令注入漏洞，该漏洞源于其CGI程序允许经过身份验证的攻击者通过发送精心制作的HTTP请求实现命令注入导致在设备上执行一些操作系统命令。
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
Zyxel NR7101 firmware < V1.15(ACCC.3)C0 -

II. Public POCs for CVE-2022-43390

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III. Intelligence Information for CVE-2022-43390

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Other References for CVE-2022-43390 (1)

Same Patch Batch · Zyxel · 2023-01-11 · 5 CVEs total

CVE-2022-43389 8.6 HIGH Zyxel NR7101 安全漏洞
CVE-2022-43393 8.2 HIGH Zyxel GS1920 代码问题漏洞
CVE-2022-43391 6.5 MEDIUM Zyxel NR7101 安全漏洞
CVE-2022-43392 6.5 MEDIUM Zyxel NR7101 安全漏洞

IV. Related Vulnerabilities

Same product: NR7101 firmware
Same vendor: Zyxel
Same weakness: CWE-78

V. Comments for CVE-2022-43390

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