Netgear R8500 access control

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
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5.3$0-$5k0.00

A vulnerability, which was classified as critical, has been found in Netgear D8500, R6400v2, R6700, R6700v3, R6900, R6900P, R7000, R7000P, R7100LG, R7300DST, R7900, R8300 and R8500 (Wireless LAN Software). This issue affects an unknown functionality. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 08/11/2021 as PSV-2018-0385. It is possible to read the advisory at kb.netgear.com. The identification of this vulnerability is CVE-2021-38539. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
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: Access control
CWE: CWE-284 / CWE-266
ATT&CK: T1068

Local: No
Remote: Partially

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

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-2018-0385
Status: Confirmed

CVE: CVE-2021-38539 (🔍)

Entryinfo

Created: 08/11/2021 14:25
Updated: 08/16/2021 09:47
Changes: 08/11/2021 14:25 (37), 08/16/2021 09:44 (2), 08/16/2021 09:47 (1)
Complete: 🔍

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