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CVE-2025-15194— D-Link DIR-600 HTTP Header hedwig.cgi stack-based overflow

Quick assessment

Affected
D-Link DIR-600
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-600是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-600 2.15WWb02及之前版本存在安全漏洞，该漏洞源于对组件HTTP Header Handler的文件hedwig.cgi中参数Cookie的错误操作，可能导致基于栈的缓冲区溢出攻击。

CVSS 9.8 · Critical EPSS 1.18% · P67

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-15194

Vulnerability Information
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Vulnerability Title
D-Link DIR-600 HTTP Header hedwig.cgi stack-based overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in D-Link DIR-600 up to 2.15WWb02. Affected by this vulnerability is an unknown functionality of the file hedwig.cgi of the component HTTP Header Handler. The manipulation of the argument Cookie results in stack-based buffer overflow. It is possible to launch the attack remotely. The exploit has been made public and could 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:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
栈缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
D-Link DIR-600 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
D-Link DIR-600是中国友讯（D-Link）公司的一款无线路由器。 D-Link DIR-600 2.15WWb02及之前版本存在安全漏洞，该漏洞源于对组件HTTP Header Handler的文件hedwig.cgi中参数Cookie的错误操作，可能导致基于栈的缓冲区溢出攻击。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
D-Link DIR-600 2.15WWb02 -

II. Public POCs for CVE-2025-15194

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Qwen3.6-35B-A3B · 8213 chars
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III. Intelligence Information for CVE-2025-15194

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Vendor Advisories for CVE-2025-15194 (2)

Vendor Pages for CVE-2025-15194 (1)

Other References for CVE-2025-15194 (2)

Same Patch Batch · D-Link · 2025-12-29 · 6 CVEs total

CVE-2025-15193 8.8 HIGH D-Link DWR-M920 formParentControl sub_423848 buffer overflow
CVE-2025-15190 8.8 HIGH D-Link DWR-M920 formFilter sub_42261C stack-based overflow
CVE-2025-15189 8.8 HIGH D-Link DWR-M920 formDefRoute sub_464794 buffer overflow
CVE-2025-15192 6.3 MEDIUM D-Link DWR-M920 formLtefotaUpgradeQuectel sub_415328 command injection
CVE-2025-15191 6.3 MEDIUM D-Link DWR-M920 formLtefotaUpgradeFibocom sub_4155B4 command injection

IV. Related Vulnerabilities

Same product: DIR-600
Same vendor: D-Link
Same weakness: CWE-121

V. Comments for CVE-2025-15194

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