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CVE-2025-10634— D-Link DIR-823X Environment Variable goahead sub_412E7C command injection

Quick assessment

Affected
D-Link DIR-823X
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 DIR-823X是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-823X 240126版本、240802版本和250416版本存在安全漏洞，该漏洞源于对文件/usr/sbin/goahead中参数terminal_addr/server_ip/server_port的错误操作，可能导致远程命令注入攻击。

CVSS 6.3 · Medium EPSS 7.36% · P94
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I. Basic Information for CVE-2025-10634

Vulnerability Information
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Vulnerability Title
D-Link DIR-823X Environment Variable goahead sub_412E7C command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in D-Link DIR-823X 240126/240802/250416. The impacted element is the function sub_412E7C of the file /usr/sbin/goahead of the component Environment Variable Handler. This manipulation of the argument terminal_addr/server_ip/server_port causes command injection. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited.
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:L
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 DIR-823X 安全漏洞
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 240126版本、240802版本和250416版本存在安全漏洞，该漏洞源于对文件/usr/sbin/goahead中参数terminal_addr/server_ip/server_port的错误操作，可能导致远程命令注入攻击。
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 DIR-823X 240126 -

II. Public POCs for CVE-2025-10634

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III. Intelligence Information for CVE-2025-10634

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Vendor Pages for CVE-2025-10634 (1)

Same Patch Batch · D-Link · 2025-09-18 · 5 CVEs total

CVE-2025-10666 8.8 HIGH D-Link DIR-825 apply.cgi sub_4106d4 buffer overflow
CVE-2025-10628 6.3 MEDIUM D-Link DIR-852 Web Management hedwig.cgi command injection
CVE-2025-10629 6.3 MEDIUM D-Link DIR-852 Simple Service Discovery Protocol Service cgibin ssdpcgi_main command injec
CVE-2025-10689 6.3 MEDIUM D-Link DIR-645 soap.cgi soapcgi_main command injection

IV. Related Vulnerabilities

Same product: DIR-823X
Same vendor: D-Link
Same weakness: CWE-77

V. Comments for CVE-2025-10634

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