Netgear D3600/D6000/R9000 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Netgear D3600, D6000 and R9000. It has been declared as critical. This issue affects some unknown processing. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2018-21221. The attack requires access to the local network. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Netgear D3600, D6000 and R9000 (Wireless LAN Software) (version now known). It has been declared as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Certain NETGEAR devices are affected by a buffer overflow by an unauthenticated attacker. This affects D3600 before 1.0.0.67, D6000 before 1.0.0.67, and R9000 before 1.0.2.52.

The weakness was published 04/28/2020 (Website). The advisory is available at kb.netgear.com. This vulnerability was named CVE-2018-21221 since 04/20/2020. Access to the local network is required for this attack to succeed. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available.

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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: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CNA Base Score: 8.8
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: Memory corruption
CWE: CWE-119
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 🔍
04/28/2020 +8 days 🔍
04/29/2020 +1 days 🔍
06/04/2024 +1497 days 🔍

Sourcesinfo

Vendor: netgear.com

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

CVE: CVE-2018-21221 (🔍)
GCVE (CVE): GCVE-0-2018-21221
GCVE (VulDB): GCVE-100-154510

Entryinfo

Created: 04/29/2020 07:52
Updated: 06/04/2024 07:56
Changes: 04/29/2020 07:52 (36), 04/29/2020 07:57 (12), 10/14/2020 02:13 (1), 10/14/2020 02:15 (1), 06/04/2024 07:56 (33)
Complete: 🔍
Cache ID: 216::103

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