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CVE-2025-4978— Netgear DGND3700 Basic Authentication BRS_top.html improper authentication

Quick assessment

Affected
Netgear DGND3700
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.

NETGEAR DGND3700是美国网件（NETGEAR）公司的一款调制解调器路由器。 NETGEAR DGND3700 1.1.00.15_1.00.15NA版本存在安全漏洞，该漏洞源于基本身份验证组件处理不当，可能导致身份验证绕过。

CVSS 9.8 · Critical EPSS 20.95% · P97

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2025-4978

Vulnerability Information
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Vulnerability Title
Netgear DGND3700 Basic Authentication BRS_top.html improper authentication
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability, which was classified as very critical, was found in Netgear DGND3700 1.1.00.15_1.00.15NA. This affects an unknown part of the file /BRS_top.html of the component Basic Authentication. The manipulation leads to improper authentication. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. Other products might be affected as well. The vendor was contacted early about this disclosure.
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
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
NETGEAR DGND3700 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NETGEAR DGND3700是美国网件（NETGEAR）公司的一款调制解调器路由器。 NETGEAR DGND3700 1.1.00.15_1.00.15NA版本存在安全漏洞，该漏洞源于基本身份验证组件处理不当，可能导致身份验证绕过。
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
Netgear DGND3700 1.1.00.15_1.00.15NA -

II. Public POCs for CVE-2025-4978

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9842 chars
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III. Intelligence Information for CVE-2025-4978

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Vendor Pages for CVE-2025-4978 (1)

Other References for CVE-2025-4978 (1)

Same Patch Batch · Netgear · 2025-05-20 · 3 CVEs total

CVE-2025-4977 5.3 MEDIUM Netgear DGND3700 BRS_top.html information disclosure
CVE-2025-4980 5.3 MEDIUM Netgear DGND3700 mini_http currentsetting.htm information disclosure

IV. Related Vulnerabilities

Same product: DGND3700
Same vendor: Netgear
Same weakness: CWE-287

V. Comments for CVE-2025-4978

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