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I. Basic Information for CVE-2026-4181
Vulnerability Information
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Vulnerability Title
D-Link DIR-816 goahead form2RepeaterStep2.cgi stack-based overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A security flaw has been discovered in D-Link DIR-816 1.10CNB05. This affects an unknown function of the file /goform/form2RepeaterStep2.cgi of the component goahead. The manipulation of the argument key1/key2/key3/key4/pskValue results in stack-based buffer overflow. The attack may be launched 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: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
栈缓冲区溢出
Source: NVD (National Vulnerability Database)
Vulnerability Title
D-Link DIR-816 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-816是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-816 1.10CNB05版本存在安全漏洞，该漏洞源于对文件/goform/form2RepeaterStep2.cgi中参数key1/key2/key3/key4/pskValue的错误操作，可能导致栈缓冲区溢出攻击。
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
VendorProductAffected VersionsCPESubscribe
D-LinkDIR-816 1.10CNB05 -
II. Public POCs for CVE-2026-4181
#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium
kimi-k2.5 · 7273 chars
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III. Intelligence Information for CVE-2026-4181
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IV. Related Vulnerabilities
Same product: DIR-816
Same vendor: D-Link
Same weakness: CWE-121
V. Comments for CVE-2026-4181

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