CVE-2026-4465— D-Link DIR-513 formSysCmd os command injection
Quick assessment
Affected
D-Link DIR-513
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-513是中国友讯（D-Link）公司的一款无线路由器产品。 D-Link DIR-513 1.10版本存在操作系统命令注入漏洞，该漏洞源于对文件/goform/formSysCmd中参数sysCmd的错误操作，可能导致os命令注入。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-4465
Vulnerability Information
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Vulnerability Title
D-Link DIR-513 formSysCmd os command injection
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw has been found in D-Link DIR-513 1.10. The impacted element is an unknown function of the file /goform/formSysCmd. Executing a manipulation of the argument sysCmd can lead to os command injection. The attack may be launched remotely. The exploit has been published and may be used. 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-513 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-513是中国友讯（D-Link）公司的一款无线路由器产品。 D-Link DIR-513 1.10版本存在操作系统命令注入漏洞，该漏洞源于对文件/goform/formSysCmd中参数sysCmd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-2026-4465
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Vendor Pages for CVE-2026-4465 (1)
Other References for CVE-2026-4465 (1)
Same Patch Batch · D-Link · 2026-03-20 · 3 CVEs total
| CVE-2026-4486 | 8.8 HIGH | D-Link DIR-513 Web Service formEasySetPassword stack-based overflow |
| CVE-2026-4499 | 7.3 HIGH | D-Link DIR-820LW SSDP ssdpcgi_main os command injection |
IV. Related Vulnerabilities
Same product: DIR-513
-
CVE-2026-6014
D-Link DIR-513 POST Request formAdvanceSetup buffer overflow -
CVE-2026-6013
D-Link DIR-513 POST Request formSetRoute buffer overflow -
CVE-2026-6012
D-Link DIR-513 POST Request formSetPassword buffer overflow -
CVE-2026-5024
D-Link DIR-513 formSetEmail stack-based overflow -
CVE-2026-4555
D-Link DIR-513 boa formEasySetTimezone memory corruption
Same vendor: D-Link
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Same weakness: CWE-78
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V. Comments for CVE-2026-4465
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