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 has been found in Netgear D3600, D6000, D6100, DM200, EX2700, EX6100v2, EX6150v2, EX6200v2, EX6400, EX7300, EX8000, R7800, R8900, R9000, WN2000RPTv3, WN3000RPv2, WN3000RPv3, WN3100RPv2, WNDR4300v2, WNDR4500v3, WNR2000v5 and XR500 and classified as critical. This affects an unknown part. The manipulation leads to stack-based overflow. This vulnerability is uniquely identified as CVE-2019-20723. The attack can only be initiated within the local network. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Netgear D3600, D6000, D6100, DM200, EX2700, EX6100v2, EX6150v2, EX6200v2, EX6400, EX7300, EX8000, R7800, R8900, R9000, WN2000RPTv3, WN3000RPv2, WN3000RPv3, WN3100RPv2, WNDR4300v2, WNDR4500v3, WNR2000v5 and XR500 (Router Operating System). This issue affects an unknown part. 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. The summary by CVE is:

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects D3600 before 1.0.0.75, D6000 before 1.0.0.75, D6100 before 1.0.0.63, DM200 before 1.0.0.58, EX2700 before 1.0.1.48, EX6100v2 before 1.0.1.76, EX6150v2 before 1.0.1.76, EX6200v2 before 1.0.1.72, EX6400 before 1.0.2.136, EX7300 before 1.0.2.136, EX8000 before 1.0.1.180, R7800 before 1.0.2.52, R8900 before 1.0.4.2, R9000 before 1.0.4.2, WN2000RPTv3 before 1.0.1.32, WN3000RPv2 before 1.0.0.68, WN3000RPv3 before 1.0.2.70, WN3100RPv2 before 1.0.0.60, 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 disclosed 04/16/2020 (Website). It is possible to read the advisory at kb.netgear.com. The identification of this vulnerability is CVE-2019-20723 since 04/15/2020. The attack needs to be done within the local network. A simple authentication is necessary for exploitation. The technical details are unknown and an exploit is not 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

04/15/2020 🔍
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-2019-20723 (🔍)
GCVE (CVE): GCVE-0-2019-20723
GCVE (VulDB): GCVE-100-153947

Entryinfo

Created: 04/17/2020 10:34
Updated: 05/31/2024 08:19
Changes: 04/17/2020 10:34 (36), 04/17/2020 10:39 (12), 05/31/2024 08:19 (34)
Complete: 🔍
Cache ID: 216::103

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