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CVE-2026-1544— D-Link DIR-823X set_mode sub_41E2A0 os command injection

Quick assessment

Affected
D-Link DIR-823X
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 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_mode中sub_41E2A0函数的参数lan_gateway的错误操作，可能导致os命令注入攻击。

CVSS 6.3 · Medium EPSS 3.82% · P90

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-1544

Vulnerability Information
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Vulnerability Title
D-Link DIR-823X set_mode sub_41E2A0 os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in D-Link DIR-823X 250416. Impacted is the function sub_41E2A0 of the file /goform/set_mode. Performing a manipulation of the argument lan_gateway results in os command injection. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.
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
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_mode中sub_41E2A0函数的参数lan_gateway的错误操作，可能导致os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 250416 -

II. Public POCs for CVE-2026-1544

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III. Intelligence Information for CVE-2026-1544

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Vendor Advisories for CVE-2026-1544 (1)

Vendor Pages for CVE-2026-1544 (1)

Other References for CVE-2026-1544 (1)

Same Patch Batch · D-Link · 2026-01-28 · 4 CVEs total

CVE-2026-1506 7.2 HIGH D-Link DIR-615 MAC Filter Configuration adv_mac_filter.php os command injection
CVE-2026-1505 7.2 HIGH D-Link DIR-615 URL Filter set_temp_nodes.php os command injection
CVE-2026-1532 2.4 LOW D-Link DCS-700L Music File Upload Service setUploadMusic uploadmusic path traversal

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-1544

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