Netgear D7800/R7800/R8900/R9000/WNDR4300v2/WNDR4500v3 command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Netgear D7800, R7800, R8900, R9000, WNDR4300v2 and WNDR4500v3 and classified as critical. Affected by this vulnerability is an unknown functionality. Performing a manipulation results in command injection. This vulnerability was named CVE-2018-21146. The attack needs to be approached within the local network. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical has been found in Netgear D7800, R7800, R8900, R9000, WNDR4300v2 and WNDR4500v3 (Wireless LAN Software). This affects an unknown part. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Certain NETGEAR devices are affected by command injection by an authenticated user. This affects D7800 before 1.0.1.34, R7800 before 1.0.2.42, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR4300v2 before 1.0.0.54, and WNDR4500v3 before 1.0.0.54.

The weakness was presented 04/21/2020 (Website). It is possible to read the advisory at kb.netgear.com. This vulnerability is uniquely identified as CVE-2018-21146 since 04/20/2020. The attack needs to be done within the local network. A authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

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 🔍
04/21/2020 +1 days 🔍
04/22/2020 +1 days 🔍
06/01/2024 +1501 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: kb.netgear.com
Status: Not defined

CVE: CVE-2018-21146 (🔍)
GCVE (CVE): GCVE-0-2018-21146
GCVE (VulDB): GCVE-100-154143

Entryinfo

Created: 04/22/2020 09:47
Updated: 06/01/2024 09:59
Changes: 04/22/2020 09:47 (36), 04/22/2020 09:52 (12), 06/01/2024 09:59 (34)
Complete: 🔍
Cache ID: 216::103

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