CVE-2025-8169— D-Link DIR-513 HTTP POST Request formSetWanPPTPpath formSetWanPPTPcallback buffer overflow
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I. Basic Information for CVE-2025-8169
Vulnerability Information
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Vulnerability Title
D-Link DIR-513 HTTP POST Request formSetWanPPTPpath formSetWanPPTPcallback buffer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability classified as critical has been found in D-Link DIR-513 1.10. This affects the function formSetWanPPTPcallback of the file /goform/formSetWanPPTPpath of the component HTTP POST Request Handler. The manipulation of the argument curTime leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
未进行输入大小检查的缓冲区拷贝(传统缓冲区溢出)
Source: NVD (National Vulnerability Database)
Vulnerability Title
D-Link DIR-513 安全漏洞
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版本存在安全漏洞，该漏洞源于HTTP POST请求处理组件中文件/goform/formSetWanPPTPpath对参数curTime的错误操作，导致缓冲区溢出。
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-2025-8169
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Same Patch Batch · D-Link · 2025-07-25 · 5 CVEs total
| CVE-2025-8159 | 8.8 HIGH | D-Link DIR-513 HTTP POST Request formLanguageChange stack-based overflow |
| CVE-2025-8168 | 8.8 HIGH | D-Link DIR-513 formSetWanPPPoE websAspInit buffer overflow |
| CVE-2025-8155 | 3.5 LOW | D-Link DCS-6010L Management Application vb.htm cross site scripting |
| CVE-2014-125117 | D-Link info.cgi POST Request Stack-Based Buffer Overflow RCE |
IV. Related Vulnerabilities
Same product: DIR-513
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D-Link DIR-513 formSetEmail stack-based overflow - CVE-2026-4555
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Same vendor: D-Link
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Same weakness: CWE-120
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V. Comments for CVE-2025-8169
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