Netgear R6400v2 1.0.4.106_10.0.80 httpd buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Netgear R6400v2. The affected element is an unknown function of the component httpd. The manipulation results in buffer overflow. This vulnerability is identified as CVE-2023-36187. The attack can be executed remotely. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Netgear R6400v2 (Wireless LAN Software). It has been classified as critical. Affected is an unknown functionality of the component httpd. The manipulation with an unknown input leads to a buffer overflow vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer Overflow vulnerability in NETGEAR R6400v2 before version 1.0.4.118, allows remote unauthenticated attackers to execute arbitrary code via crafted URL to httpd.

The weakness was released 09/01/2023 as PSV-2020-0578. The advisory is shared for download at kb.netgear.com. This vulnerability is traded as CVE-2023-36187 since 06/21/2023. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/12/2026).

Upgrading to version 1.0.4.118 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-40166). Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: R6400v2 1.0.4.118

Timelineinfo

06/21/2023 🔍
09/01/2023 +72 days 🔍
09/01/2023 +0 days 🔍
01/12/2026 +864 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: PSV-2020-0578
Status: Confirmed

CVE: CVE-2023-36187 (🔍)
GCVE (CVE): GCVE-0-2023-36187
GCVE (VulDB): GCVE-100-238596
EUVD: 🔍

Entryinfo

Created: 09/01/2023 21:36
Updated: 01/12/2026 10:59
Changes: 09/01/2023 21:36 (41), 09/29/2023 15:00 (11), 01/12/2026 10:59 (17)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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