CVE-2025-4146— Netgear EX6200 sub_41940 buffer overflow
Quick assessment
Affected
Netgear EX6200
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
NETGEAR EX6200是美国网件（NETGEAR）公司的一款无线网络信号扩展器。 NETGEAR EX6200 1.0.3.94版本存在安全漏洞，该漏洞源于对参数host的错误操作导致缓冲区溢出。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2025-4146
Vulnerability Information
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Vulnerability Title
Netgear EX6200 sub_41940 buffer overflow
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as critical, was found in Netgear EX6200 1.0.3.94. Affected is the function sub_41940. The manipulation of the argument host leads to buffer overflow. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.
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
NETGEAR EX6200 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NETGEAR EX6200是美国网件（NETGEAR）公司的一款无线网络信号扩展器。 NETGEAR EX6200 1.0.3.94版本存在安全漏洞，该漏洞源于对参数host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-2025-4146
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2025-4146 (2)
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Submit #560800: Netgear EX6200 1.0.3.94 Buffer Overflow third-party-advisory
Proof of Concept for CVE-2025-4146 (1)
Vendor Pages for CVE-2025-4146 (1)
Same Patch Batch · Netgear · 2025-05-01 · 6 CVEs total
| CVE-2025-4145 | 8.8 HIGH | Netgear EX6200 sub_3D0BC buffer overflow |
| CVE-2025-4147 | 8.8 HIGH | Netgear EX6200 sub_47F7C buffer overflow |
| CVE-2025-4148 | 8.8 HIGH | Netgear EX6200 sub_503FC buffer overflow |
| CVE-2025-4149 | 8.8 HIGH | Netgear EX6200 sub_54014 buffer overflow |
| CVE-2025-4150 | 8.8 HIGH | Netgear EX6200 sub_54340 buffer overflow |
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V. Comments for CVE-2025-4146
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