Netgear EX6120 1.0.0.68 fwAcosCgiInbound host buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.6$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Netgear EX6120 1.0.0.68 and classified as critical. The affected element is the function fwAcosCgiInbound. This manipulation of the argument host causes buffer overflow. This vulnerability is handled as CVE-2025-4139. The attack can be initiated remotely. There is not any exploit available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability classified as critical was found in Netgear EX6120 1.0.0.68. Affected by this vulnerability is the function fwAcosCgiInbound. The manipulation of the argument host with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-4139. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/23/2025).

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.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

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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 🔍
04/30/2025 +0 days 🔍
06/23/2025 +54 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: github.com
Status: Not defined

CVE: CVE-2025-4139 (🔍)
GCVE (CVE): GCVE-0-2025-4139
GCVE (VulDB): GCVE-100-306631

Entryinfo

Created: 04/30/2025 16:12
Updated: 06/23/2025 17:47
Changes: 04/30/2025 16:12 (53), 05/01/2025 10:12 (30), 06/23/2025 17:47 (1)
Complete: 🔍
Submitter: 54357
Cache ID: 216::103

Submitinfo

Accepted

Duplicate

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