Netgear EX6200 1.0.3.94 sub_503FC host buffer overflow

Summaryinfo

A vulnerability labeled as critical has been found in Netgear EX6200 1.0.3.94. Affected by this vulnerability is the function sub_503FC. Such manipulation of the argument host leads to buffer overflow. This vulnerability is referenced as CVE-2025-4148. It is possible to launch the attack remotely. No exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in Netgear EX6200 1.0.3.94 and classified as critical. Affected by this issue is the function sub_503FC. The manipulation of the argument host with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2025-4148. The exploitation is known to be easy. The attack may be launched remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/01/2025).

The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.6

VulDB Base Score: 8.8
VulDB Temp Score: 8.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector: 🔒

CVSSv2info

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

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/30/2025 Advisory disclosed
04/30/2025 +0 days VulDB entry created
05/01/2025 +1 days VulDB entry last update

Sourcesinfo

Vendor: netgear.com

Advisory: github.com
Status: Not defined

CVE: CVE-2025-4148 (🔒)
GCVE (CVE): GCVE-0-2025-4148
GCVE (VulDB): GCVE-100-306680

Entryinfo

Created: 04/30/2025 20:23
Updated: 05/01/2025 10:41
Changes: 04/30/2025 20:23 (52), 04/30/2025 20:24 (1), 05/01/2025 10:41 (30)
Complete: 🔍
Submitter: jyangling3
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #560802: Netgear EX6200 1.0.3.94 Buffer Overflow (by jyangling3)

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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