Netgear WNDR3400v3 stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in Netgear DGN2200Bv4, DGN2200v4, EX3700, EX3800, EX6000, EX6100, EX6120, EX6130, EX6150, EX6200, EX7000, R6300v2, R6900P, R7000P, R7300DST, R7900P, R8000, R8000P, WN2500RPv2 and WNDR3400v3 and classified as critical. Affected by this vulnerability is an unknown functionality. This manipulation causes stack-based overflow. This vulnerability is tracked as CVE-2018-21163. The attack is only possible within the local network. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in Netgear DGN2200Bv4, DGN2200v4, EX3700, EX3800, EX6000, EX6100, EX6120, EX6130, EX6150, EX6200, EX7000, R6300v2, R6900P, R7000P, R7300DST, R7900P, R8000, R8000P, WN2500RPv2 and WNDR3400v3 (Wireless LAN Software). Affected by this vulnerability is an unknown part. 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. The summary by CVE is:

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects DGN2200Bv4 before 1.0.0.102, DGN2200v4 before 1.0.0.102, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.22, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150 before 1.0.0.38, EX6200 before 1.0.3.86, EX7000 before 1.0.0.64, R6300v2 before 1.0.4.22, R6900P before 1.3.0.18, R7000P before 1.3.0.18, R7300DST before 1.0.0.62, R7900P before 1.3.0.10, R8000 before 1.0.4.12, R8000P before 1.3.0.10, WN2500RPv2 before 1.0.1.52, and WNDR3400v3 before 1.0.1.18.

The weakness was disclosed 04/23/2020 (Website). The advisory is shared at kb.netgear.com. This vulnerability is known as CVE-2018-21163 since 04/20/2020. The attack needs to be done within the local network. A single authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

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Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.1
VulDB Meta Temp Score: 6.0

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

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 🔍
04/23/2020 +3 days 🔍
04/24/2020 +1 days 🔍
10/12/2020 +171 days 🔍

Sourcesinfo

Vendor: netgear.com

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

CVE: CVE-2018-21163 (🔍)
GCVE (CVE): GCVE-0-2018-21163
GCVE (VulDB): GCVE-100-154297

Entryinfo

Created: 04/24/2020 07:21
Updated: 10/12/2020 12:32
Changes: 04/24/2020 07:21 (36), 04/24/2020 07:26 (12), 10/12/2020 12:23 (1), 10/12/2020 12:32 (1)
Complete: 🔍
Cache ID: 216::103

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