Netgear DGND3700 1.1.00.15_1.00.15NA Basic Authentication /BRS_top.html improper authentication

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.0$0-$5k0.10

Summaryinfo

A vulnerability has been found in Netgear DGND3700 1.1.00.15_1.00.15NA and classified as critical. This vulnerability affects unknown code of the file /BRS_top.html of the component Basic Authentication. The manipulation leads to improper authentication. This vulnerability was named CVE-2025-4978. The attack can be initiated remotely. Furthermore, there is an exploit available. It is recommended to apply restrictive firewalling. Other products might be affected as well. The vendor was contacted early about this disclosure. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Netgear DGND3700 1.1.00.15_1.00.15NA. This affects an unknown functionality of the file /BRS_top.html of the component Basic Authentication. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2025-4978. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/20/2025).

The exploit is shared for download at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure. By approaching the search of inurl:BRS_top.html it is possible to find vulnerable targets with Google Hacking.

It is possible to mitigate the weakness by firewalling .

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.0

VulDB Base Score: 9.8
VulDB Temp Score: 9.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔒
ATT&CK: 🔒

Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔒

Timelineinfo

05/20/2025 Advisory disclosed
05/20/2025 +0 days VulDB entry created
05/20/2025 +0 days VulDB entry last update

Sourcesinfo

Vendor: netgear.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2025-4978 (🔒)
GCVE (CVE): GCVE-0-2025-4978
GCVE (VulDB): GCVE-100-309639
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/20/2025 08:08 AM
Changes: 05/20/2025 08:08 AM (59)
Complete: 🔍
Submitter: 153528990
Cache ID: 18:392:40

Submitinfo

Accepted

  • Submit #564712: Netgear DGND3700v2 V1.1.00.15_1.00.15NA Backdoor (by 153528990)

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