CVE-2025-4141— Netgear EX6200 sub_3C03C buffer overflow
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I. Basic Information for CVE-2025-4141
Vulnerability Information
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Vulnerability Title
Netgear EX6200 sub_3C03C buffer overflow
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability, which was classified as critical, was found in Netgear EX6200 1.0.3.94. This affects the function sub_3C03C. The manipulation of the argument host leads to buffer overflow. It is possible to initiate the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.
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
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-2025-4141
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- Submit #560789: Netgear EX6200 1.0.3.94 Buffer Overflowthird-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-4141
Same Patch Batch · Netgear · 2025-04-30 · 12 CVEs total
| CVE-2025-4142 | 8.8 HIGH | Netgear EX6200 sub_3C8EC buffer overflow |
| CVE-2025-4140 | 8.8 HIGH | Netgear EX6120 sub_30394 buffer overflow |
| CVE-2025-4139 | 8.8 HIGH | Netgear EX6120 fwAcosCgiInbound buffer overflow |
| CVE-2025-4120 | 8.8 HIGH | Netgear JWNR2000v2 sub_4238E8 buffer overflow |
| CVE-2025-4116 | 8.8 HIGH | Netgear JWNR2000v2 get_cur_lang_ver buffer overflow |
| CVE-2025-4115 | 8.8 HIGH | Netgear JWNR2000v2 default_version_is_new buffer overflow |
| CVE-2025-4114 | 8.8 HIGH | Netgear JWNR2000v2 check_language_file buffer overflow |
| CVE-2025-4135 | 6.3 MEDIUM | Netgear WG302v2 ui_get_input_value command injection |
| CVE-2025-4122 | 6.3 MEDIUM | Netgear JWNR2000v2 sub_435E04 command injection |
| CVE-2025-4121 | 6.3 MEDIUM | Netgear JWNR2000v2 cmd_wireless command injection |
| CVE-2025-4117 | 5.5 MEDIUM | Netgear JWNR2000v2 sub_41A914 buffer overflow |
IV. Related Vulnerabilities
Same vendor: Netgear
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Authentication bypass in NETGEAR WiFi Range Extenders via ne - CVE-2026-0406
Insufficient input validation in NETGEAR Nighthawk router XR
Same weakness: CWE-120
- CVE-2026-8260
D-Link DCS-935L HNAP Service hnap_service SetDeviceSettings - CVE-2026-8137
Totolink X5000R formDdns sub_458E40 buffer overflow - CVE-2026-6691
MongoDB C Driver Cyrus SASL Canonicalization Buffer Overflow - CVE-2026-7857
D-Link DI-8100 CGI user_group.asp sprintf buffer overflow - CVE-2026-7856
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V. Comments for CVE-2025-4141
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