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CVE-2020-27862

Quick assessment

Affected
D-Link Multiple Routers
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.

D-Link DVA-2800 and DSL-2888A是美国 （D-Link）公司的一个无线路由器。提供连接网络功能。 D-Link DVA-2800 和 DSL-2888A 固件中存在命令注入漏洞，该漏洞源于外部输入数据构造可执行命令过程中，网络系统或产品未正确过滤其中的特殊元素。攻击者可利用该漏洞执行非法命令。

AI Predicted 9.8 Difficulty: Easy EPSS 1.38% · P70

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2020-27862

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DVA-2800 and DSL-2888A routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the dhttpd service, which listens on TCP port 8008 by default. When parsing the path parameter, the process does not properly validate a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of the web server. Was ZDI-CAN-10911.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
在命令中使用的特殊元素转义处理不恰当(命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DVA-2800 and DSL-2888A 命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DVA-2800 and DSL-2888A是美国 （D-Link）公司的一个无线路由器。提供连接网络功能。 D-Link DVA-2800 和 DSL-2888A 固件中存在命令注入漏洞，该漏洞源于外部输入数据构造可执行命令过程中，网络系统或产品未正确过滤其中的特殊元素。攻击者可利用该漏洞执行非法命令。
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
D-Link Multiple Routers firmware version 2.3 -

II. Public POCs for CVE-2020-27862

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III. Intelligence Information for CVE-2020-27862

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Vendor Advisories for CVE-2020-27862 (1)

Other References for CVE-2020-27862 (1)

Same Patch Batch · D-Link · 2021-02-11 · 4 CVEs total

CVE-2020-27863 D-Link DVA-2800 and DSL-2888A 授权问题漏洞
CVE-2020-27864 D-Link DAP-1860和TCP 命令注入漏洞
CVE-2020-27865 D-Link DAP-1860和TCP 授权问题漏洞

IV. Related Vulnerabilities

Same product: Multiple Routers
Same vendor: D-Link
Same weakness: CWE-77

V. Comments for CVE-2020-27862

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