Netgear WNDR4500v3 command injection

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Netgear D7800, R6700, R6900, R7000, R7500v2, R7800, R9000, WNDR4300v2 and WNDR4500v3. The affected element is an unknown function. Executing a manipulation can lead to command injection. This vulnerability is tracked as CVE-2018-21157. The attack is only possible within the local network. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Netgear D7800, R6700, R6900, R7000, R7500v2, R7800, R9000, WNDR4300v2 and WNDR4500v3 (Wireless LAN Software). It has been declared as critical. This vulnerability affects an unknown part. 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. CVE summarizes:

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.28, R6700 before 1.0.1.44, R6900 before 1.0.1.44, R7000 before 1.0.9.28, R7500v2 before 1.0.3.24, R7800 before 1.0.2.38, R9000 before 1.0.2.52, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.

The weakness was disclosed 04/27/2020 (Website). The advisory is available at kb.netgear.com. This vulnerability was named CVE-2018-21157 since 04/20/2020. The attack needs to be done within the local network. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1202 by the MITRE ATT&CK project.

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: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CNA Base Score: 6.8
CNA Vector (MITRE): 🔍

CVSSv2info

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

NVD Base Score: 🔍

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

04/20/2020 🔍
04/27/2020 +7 days 🔍
04/28/2020 +1 days 🔍
06/03/2024 +1497 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: kb.netgear.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-21157 (🔍)
GCVE (CVE): GCVE-0-2018-21157
GCVE (VulDB): GCVE-100-154402

Entryinfo

Created: 04/28/2020 09:48
Updated: 06/03/2024 09:02
Changes: 04/28/2020 09:48 (36), 04/28/2020 09:53 (12), 10/13/2020 07:42 (1), 10/13/2020 07:53 (1), 06/03/2024 09:02 (33)
Complete: 🔍
Cache ID: 216::103

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