Netgear CBR750/RBK752/RBR750/RBS750/RBK852/RBR850/RBS850 command injection

CVSS Meta Temp Score
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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.
9.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Netgear CBR750, RBK752, RBR750, RBS750, RBK852, RBR850 and RBS850 and classified as critical. Affected by this issue is some unknown functionality. Executing a manipulation can lead to command injection. This vulnerability is handled as CVE-2021-45632. The attack can only be done within the local network. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Netgear CBR750, RBK752, RBR750, RBS750, RBK852, RBR850 and RBS850 (Wireless LAN Software) and classified as critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a command injection vulnerability. The CWE definition for the vulnerability is CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 12/26/2021 as PSV-2020-0505. The advisory is shared for download at kb.netgear.com. This vulnerability was named CVE-2021-45632 since 12/25/2021. 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 12/26/2021). The MITRE ATT&CK project declares the attack technique as T1202.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.2
VulDB Meta Temp Score: 9.0

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.6
CNA Vector (MITRE): 🔍

CVSSv2info

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

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: 🔍

Timelineinfo

12/25/2021 🔍
12/26/2021 +1 days 🔍
12/26/2021 +0 days 🔍
12/28/2021 +2 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: PSV-2020-0505
Status: Confirmed

CVE: CVE-2021-45632 (🔍)
GCVE (CVE): GCVE-0-2021-45632
GCVE (VulDB): GCVE-100-189256

Entryinfo

Created: 12/26/2021 17:38
Updated: 12/28/2021 15:29
Changes: 12/26/2021 17:38 (48), 12/28/2021 15:29 (1)
Complete: 🔍
Cache ID: 216::103

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