Netgear WNR2000v5 stack-based overflow

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

Summaryinfo

A vulnerability classified as critical was found in Netgear D6100, R6100, R7800, R9000, WNDR3700v4, WNDR4300, WNDR4300v2, WNDR4500v3 and WNR2000v5. The affected element is an unknown function. Such manipulation leads to stack-based overflow. This vulnerability is referenced as CVE-2018-21201. The attack needs to be initiated within the local network. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Netgear D6100, R6100, R7800, R9000, WNDR3700v4, WNDR4300, WNDR4300v2, WNDR4500v3 and WNR2000v5 (Wireless LAN Software) and classified as critical. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a stack-based overflow vulnerability. Using CWE to declare the problem leads to CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). Impacted is confidentiality, integrity, and availability. CVE summarizes:

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6100 before 1.0.0.57, R6100 before 1.0.1.20, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.92, WNDR4300 before 1.0.2.94, WNDR4300v2 before 1.0.0.50, WNDR4500v3 before 1.0.0.50, and WNR2000v5 before 1.0.0.62.

The weakness was published 04/28/2020 (Website). The advisory is available at kb.netgear.com. This vulnerability is handled as CVE-2018-21201 since 04/20/2020. The attack needs to approached within the local network. The successful exploitation requires a simple authentication. The technical details are unknown and an exploit is not available.

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: Stack-based overflow
CWE: CWE-121 / 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 🔍
06/03/2024 +1496 days 🔍

Sourcesinfo

Vendor: netgear.com

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

CVE: CVE-2018-21201 (🔍)
GCVE (CVE): GCVE-0-2018-21201
GCVE (VulDB): GCVE-100-154490

Entryinfo

Created: 04/29/2020 07:41
Updated: 06/03/2024 15:20
Changes: 04/29/2020 07:41 (36), 04/29/2020 07:46 (12), 10/13/2020 21:13 (1), 10/13/2020 21:24 (1), 06/03/2024 15:20 (33)
Complete: 🔍
Cache ID: 216::103

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