VDB-153910 · CVE-2019-20686 · GCVE-0-2019-20686

Netgear WNR2020 memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.9	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Netgear D6200, D7000, JR6150, PR2000, R6020, R6080, R6050, R6120, R6220, R6260, R6700v2, R6800, R6900v2 and WNR2020. This impacts an unknown function. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2019-20686. The attack requires access to the local network. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Netgear D6200, D7000, JR6150, PR2000, R6020, R6080, R6050, R6120, R6220, R6260, R6700v2, R6800, R6900v2 and WNR2020 (Wireless LAN Software). This vulnerability affects an unknown functionality. 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 D6200 before 1.1.00.36, D7000 before 1.0.1.74, JR6150 before 1.0.1.18, PR2000 before 1.0.0.28, R6020 before 1.0.0.40, R6080 before 1.0.0.40, R6050 before 1.0.1.18, R6120 before 1.0.0.48, R6220 before 1.1.0.86, R6260 before 1.1.0.64, R6700v2 before 1.2.0.36, R6800 before 1.2.0.36, R6900v2 before 1.2.0.36, and WNR2020 before 1.1.0.62.

The weakness was published 04/16/2020 (Website). The advisory is available at kb.netgear.com. This vulnerability was named CVE-2019-20686 since 04/15/2020. The attack can only be done within the local network. 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

Wireless LAN Software

Vendor

Netgear

Name

License

commercial

Website

Vendor: https://www.netgear.com/

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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/15/2020 🔍
04/16/2020 +1 days 🔍
04/17/2020 +1 days 🔍
05/27/2024 +1501 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: kb.netgear.com
Status: Not defined

CVE: CVE-2019-20686 (🔍)
GCVE (CVE): GCVE-0-2019-20686
GCVE (VulDB): GCVE-100-153910

Entryinfo

Created: 04/17/2020 10:31
Updated: 05/27/2024 14:54
Changes: 04/17/2020 10:31 (36), 04/17/2020 10:36 (12), 05/27/2024 14:54 (34)
Complete: 🔍
Cache ID: 216::103