CVE-2026-2084— D-Link DIR-823X set_language os command injection
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I. Basic Information for CVE-2026-2084
Vulnerability Information
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Vulnerability Title
D-Link DIR-823X set_language os command injection
Source: NVD (National Vulnerability Database)
Vulnerability Description
A weakness has been identified in D-Link DIR-823X 250416. This impacts an unknown function of the file /goform/set_language. Executing a manipulation of the argument langSelection can lead to os command injection. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
D-Link DIR-823X 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-823X是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-823X 250416版本存在操作系统命令注入漏洞，该漏洞源于对文件/goform/set_language中参数langSelection的错误操作，可能导致os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
II. Public POCs for CVE-2026-2084
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Same Patch Batch · D-Link · 2026-02-07 · 4 CVEs total
| CVE-2026-2085 | 7.2 HIGH | D-Link DWR-M921 USSD Configuration Endpoint formUSSDSetup sub_419F20 command injection |
| CVE-2026-2082 | 4.7 MEDIUM | D-Link DIR-823X set_mac_clone os command injection |
| CVE-2026-2081 | 4.7 MEDIUM | D-Link DIR-823X set_password os command injection |
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