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CVE-2025-8168— D-Link DIR-513 formSetWanPPPoE websAspInit buffer overflow

Quick assessment

Affected
D-Link DIR-513
Exploitation
Public or AI PoC available; prioritize validation
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版本存在安全漏洞，该漏洞源于文件/goform/formSetWanPPPoE中函数websAspInit对参数curTime的错误操作导致缓冲区溢出。

CVSS 8.8 · High EPSS 1.55% · P73

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-8168

Vulnerability Information
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Vulnerability Title
D-Link DIR-513 formSetWanPPPoE websAspInit buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in D-Link DIR-513 1.10. It has been rated as critical. Affected by this issue is the function websAspInit of the file /goform/formSetWanPPPoE. The manipulation of the argument curTime leads to buffer overflow. The attack may be launched 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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
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，该漏洞源于文件/goform/formSetWanPPPoE中函数websAspInit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

Vendor Product Affected Versions CPE Subscribe
D-Link DIR-513 1.10 -

II. Public POCs for CVE-2025-8168

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 8774 chars
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III. Intelligence Information for CVE-2025-8168

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Vendor Pages for CVE-2025-8168 (1)

Other References for CVE-2025-8168 (1)

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-2025-8169 8.8 HIGH D-Link DIR-513 HTTP POST Request formSetWanPPTPpath formSetWanPPTPcallback 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
Same vendor: D-Link
Same weakness: CWE-120

V. Comments for CVE-2025-8168

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