Netgear XR500 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, which was classified as critical, was found in Netgear D6000, D6100, R7800, R8900, R9000, WNDR3700v4, WNDR4300v1, WNDR4300v2, WNDR4500v3, WNR2000v5 and XR500. This issue affects some unknown processing. The manipulation results in stack-based overflow. This vulnerability is known as CVE-2019-20736. Access to the local network is required for this attack. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Netgear D6000, D6100, R7800, R8900, R9000, WNDR3700v4, WNDR4300v1, WNDR4300v2, WNDR4500v3, WNR2000v5 and XR500 (Wireless LAN Software). It has been classified as critical. Affected is 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. CVE summarizes:

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D6000 before 1.0.0.72, D6100 before 1.0.0.63, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.4.2, WNDR3700v4 before 1.0.2.102, WNDR4300v1 before 1.0.2.104, WNDR4300v2 before 1.0.0.58, WNDR4500v3 before 1.0.0.58, WNR2000v5 before 1.0.0.68, and XR500 before 2.3.2.32.

The weakness was published 04/16/2020 (Website). The advisory is shared for download at kb.netgear.com. This vulnerability is traded as CVE-2019-20736 since 04/15/2020. The attack can only be initiated within the local network. A authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

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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

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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

04/15/2020 🔍
04/16/2020 +1 days 🔍
04/17/2020 +1 days 🔍
05/31/2024 +1505 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: kb.netgear.com
Status: Not defined

CVE: CVE-2019-20736 (🔍)
GCVE (CVE): GCVE-0-2019-20736
GCVE (VulDB): GCVE-100-153960

Entryinfo

Created: 04/17/2020 10:36
Updated: 05/31/2024 08:49
Changes: 04/17/2020 10:36 (36), 04/17/2020 10:41 (12), 05/31/2024 08:49 (34)
Complete: 🔍
Cache ID: 216::103

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