VDB-180580 · CVE-2021-38526 · PSV-2020-0416

Netgear RAX35/RAX38/RAX40 prior 1.0.3.94 buffer overflow

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.
4.1	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Netgear RAX35, RAX38 and RAX40. This issue affects some unknown processing. Executing a manipulation can lead to buffer overflow. This vulnerability is registered as CVE-2021-38526. The attack requires access to the local network. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Netgear RAX35, RAX38 and RAX40 (Wireless LAN Software) and classified as critical. This vulnerability affects an unknown functionality. The manipulation 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 availability.

The weakness was published 08/11/2021 as PSV-2020-0416. The advisory is shared for download at kb.netgear.com. This vulnerability was named CVE-2021-38526. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.0.3.94 eliminates this vulnerability.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Wireless LAN Software

Vendor

Netgear

Name

License

commercial

Website

Vendor: https://www.netgear.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: RAX35/RAX38/RAX40 1.0.3.94

Timelineinfo

08/10/2021 🔍
08/11/2021 +1 days 🔍
08/11/2021 +0 days 🔍
08/16/2021 +5 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: PSV-2020-0416
Status: Confirmed

CVE: CVE-2021-38526 (🔍)
GCVE (CVE): GCVE-0-2021-38526
GCVE (VulDB): GCVE-100-180580

Entryinfo

Created: 08/11/2021 14:17
Updated: 08/16/2021 09:16
Changes: 08/11/2021 14:17 (38), 08/16/2021 09:12 (2), 08/16/2021 09:16 (1)
Complete: 🔍
Cache ID: 216::103