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CVE-2021-42784— OS Command Injection in debug_fcgi in D-Link DWR-932C E1 Firmware 1.0.0.4

Quick assessment

Affected
D-Link DWR-932C E1
Exploitation
High exploitation probability; assess promptly
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

D-Link Dwr-932C E1是中国友讯（D-Link）公司的一个 WiFi 移动调制解调器路由器。 D-Link DWR-932C E1 固件存在安全漏洞，该漏洞源于debug_fcgi中存在OS命令注入。攻击者可利用该漏洞通过精心制作的HTTP请求执行命令注入。

AI Predicted 9.8 Difficulty: Trivial EPSS 7.13% · P94
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I. Basic Information for CVE-2021-42784

Vulnerability Information
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Vulnerability Title
OS Command Injection in debug_fcgi in D-Link DWR-932C E1 Firmware 1.0.0.4
Source: CVE Program / CVE List V5
Vulnerability Description
OS Command Injection vulnerability in debug_fcgi of D-Link DWR-932C E1 firmware allows a remote attacker to perform command injection via a crafted HTTP request.
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
D-Link Dwr-932C E1 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link Dwr-932C E1是中国友讯（D-Link）公司的一个 WiFi 移动调制解调器路由器。 D-Link DWR-932C E1 固件存在安全漏洞，该漏洞源于debug_fcgi中存在OS命令注入。攻击者可利用该漏洞通过精心制作的HTTP请求执行命令注入。
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
D-Link DWR-932C E1 1.0.0.4 ~ 1.0.0.4 -

II. Public POCs for CVE-2021-42784

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III. Intelligence Information for CVE-2021-42784

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Other References for CVE-2021-42784 (1)

IV. Related Vulnerabilities

Same product: DWR-932C E1
Same vendor: D-Link
Same weakness: CWE-78

V. Comments for CVE-2021-42784

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