Netgear EX2700/R7800/WN2000RPTv3/WN3000RPv3/WN3100RPv2 stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Netgear EX2700, R7800, WN2000RPTv3, WN3000RPv3 and WN3100RPv2. Affected by this issue is some unknown functionality. Executing a manipulation can lead to stack-based overflow. This vulnerability appears as CVE-2018-21170. The attacker needs to be present on the local network. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in Netgear EX2700, R7800, WN2000RPTv3, WN3000RPv3 and WN3100RPv2 (Wireless LAN Software) and classified as critical. This vulnerability affects some unknown functionality. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is 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). As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Certain NETGEAR devices are affected by a stack-based buffer overflow by an unauthenticated attacker. This affects EX2700 before 1.0.1.28, R7800 before 1.0.2.40, WN2000RPTv3 before 1.0.1.20, WN3000RPv3 before 1.0.2.50, and WN3100RPv2 before 1.0.0.56.

The weakness was presented 04/27/2020 (Website). The advisory is shared for download at kb.netgear.com. This vulnerability was named CVE-2018-21170 since 04/20/2020. The attack can only be initiated within the local network. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit 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: 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

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 🔍
04/27/2020 +7 days 🔍
04/28/2020 +1 days 🔍
06/03/2024 +1497 days 🔍

Sourcesinfo

Vendor: netgear.com

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

CVE: CVE-2018-21170 (🔍)
GCVE (CVE): GCVE-0-2018-21170
GCVE (VulDB): GCVE-100-154408

Entryinfo

Created: 04/28/2020 09:51
Updated: 06/03/2024 09:14
Changes: 04/28/2020 09:51 (36), 04/28/2020 09:56 (12), 10/13/2020 09:05 (1), 10/13/2020 09:11 (1), 06/03/2024 09:14 (33)
Complete: 🔍
Cache ID: 216::103

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