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 identified as critical has been detected in Netgear D6100, R6100, R7800, R9000, WNDR3700v4, WNDR4300 and WNR2000v5. Affected by this issue is some unknown functionality. Performing a manipulation results in stack-based overflow. This vulnerability is known as CVE-2018-21196. Access to the local network is required for this attack. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Netgear D6100, R6100, R7800, R9000, WNDR3700v4, WNDR4300 and WNR2000v5 (Wireless LAN Software). This affects some unknown functionality. The manipulation with an unknown input leads to a stack-based overflow vulnerability. CWE is classifying the issue as 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). This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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, and WNR2000v5 before 1.0.0.62.

The weakness was published 04/28/2020 (Website). The advisory is shared at kb.netgear.com. This vulnerability is uniquely identified as CVE-2018-21196 since 04/20/2020. The attack can only be initiated within the local network. A authentication is required for exploitation. Neither technical details nor an exploit are publicly 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 🔍
04/28/2020 +0 days 🔍
06/03/2024 +1497 days 🔍

Sourcesinfo

Vendor: netgear.com

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

CVE: CVE-2018-21196 (🔍)
GCVE (CVE): GCVE-0-2018-21196
GCVE (VulDB): GCVE-100-154485

Entryinfo

Created: 04/28/2020 22:22
Updated: 06/03/2024 15:01
Changes: 04/28/2020 22:22 (36), 04/28/2020 22:27 (12), 10/13/2020 19:59 (1), 10/13/2020 20:06 (1), 06/03/2024 15:01 (33)
Complete: 🔍
Cache ID: 216::103

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