Netgear WNR2020 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Netgear D6200, D7000, PR2000, R6020, R6080, R6050, JR6150, R6120, R6220, R6230, R6260, R6700v2, R6800, R6900v2 and WNR2020. It has been rated as critical. Affected is an unknown function. The manipulation leads to memory corruption. This vulnerability is listed as CVE-2019-20657. The attack must be carried out from within the local network. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Netgear D6200, D7000, PR2000, R6020, R6080, R6050, JR6150, R6120, R6220, R6230, R6260, R6700v2, R6800, R6900v2 and WNR2020 (Wireless LAN Software). This issue affects an unknown function. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D6200 before 1.1.00.36, D7000 before 1.0.1.74, PR2000 before 1.0.0.28, R6020 before 1.0.0.42, R6080 before 1.0.0.42, R6050 before 1.0.1.24, JR6150 before 1.0.1.24, R6120 before 1.0.0.48, R6220 before 1.1.0.86, R6230 before 1.1.0.86, R6260 before 1.1.0.64, R6700v2 before 1.2.0.62, R6800 before 1.2.0.62, R6900v2 before 1.2.0.62, and WNR2020 before 1.1.0.62.

The weakness was presented 04/15/2020 (Website). The advisory is shared at kb.netgear.com. The identification of this vulnerability is CVE-2019-20657 since 04/15/2020. The attack needs to approached within the local network. The successful exploitation requires a simple authentication. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

See VDB-153712 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.1

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

NVD Base Score: 8.0
NVD Vector: 🔍

CNA Base Score: 8.0
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: Yes

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

04/15/2020 🔍
04/15/2020 +0 days 🔍
04/16/2020 +1 days 🔍
05/26/2024 +1501 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: kb.netgear.com
Status: Not defined

CVE: CVE-2019-20657 (🔍)
GCVE (CVE): GCVE-0-2019-20657
GCVE (VulDB): GCVE-100-153713
See also: 🔍

Entryinfo

Created: 04/16/2020 10:28
Updated: 05/26/2024 14:17
Changes: 04/16/2020 10:28 (37), 04/16/2020 10:33 (12), 05/26/2024 14:17 (34)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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