Improper Authentication Vulnerability in Netgear DGND3700 Router
CVE-2025-4978

9.3CRITICAL

Key Information:

Vendor

Netgear
Status
Dgnd3700
Vendor
CVE Published:
20 May 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-4978?

A vulnerability exists in the Netgear DGND3700 router affecting the Basic Authentication mechanism in the BRS_top.html component. This weakness allows an unauthorized remote attacker to manipulate authentication processes, potentially bypassing security measures. The exploit has been made public, raising concerns about its use in active cyber attacks. Prompt attention to this issue is essential, as it may also impact other versions or related products.

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Affected Version(s)

DGND3700 1.1.00.15_1.00.15NA

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-4978 - Proof of Concept

References

https://vuldb.com/?id.309639
vdb-entry
https://vuldb.com/?ctiid.309639
signaturepermissions-required
https://vuldb.com/?submit.564712
third-party-advisory

CVSS V4

Score:
9.3
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

153528990 (VulDB User)
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