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CVE-2026-2061— D-Link DIR-823X set_ipv6 sub_424D20 os 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 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_ipv6中函数sub_424D20的错误操作，可能导致os命令注入。

CVSS 4.7 · Medium EPSS 5.15% · P92

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-2061

Vulnerability Information
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Vulnerability Title
D-Link DIR-823X set_ipv6 sub_424D20 os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was determined in D-Link DIR-823X 250416. Affected by this issue is the function sub_424D20 of the file /goform/set_ipv6. Executing a manipulation can lead to os command injection. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
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 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_ipv6中函数sub_424D20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

Vendor Product Affected Versions CPE Subscribe
D-Link DIR-823X 250416 -

II. Public POCs for CVE-2026-2061

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III. Intelligence Information for CVE-2026-2061

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Proof of Concept for CVE-2026-2061 (1)

Vendor Pages for CVE-2026-2061 (1)

Same Patch Batch · D-Link · 2026-02-06 · 5 CVEs total

CVE-2026-2056 5.3 MEDIUM D-Link DIR-605L/DIR-619L DHCP Connection Status wan_connection_status.asp information disc
CVE-2026-2055 5.3 MEDIUM D-Link DIR-605L/DIR-619L DHCP Client Information information disclosure
CVE-2026-2054 5.3 MEDIUM D-Link DIR-605L/DIR-619L Wifi Setting information disclosure
CVE-2026-2063 4.7 MEDIUM D-Link DIR-823X Web Management set_ac_server os command injection

IV. Related Vulnerabilities

Same product: DIR-823X
Same vendor: D-Link
Same weakness: CWE-78

V. Comments for CVE-2026-2061

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