Netgear WNDR4500v3 memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Netgear D7800, R7500v2, R7800, R8900, R9000, WNDR4300v2 and WNDR4500v3. Affected is an unknown function. Performing a manipulation results in memory corruption. This vulnerability is reported as CVE-2018-21151. The attacker must have access to the local network to execute the attack. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Netgear D7800, R7500v2, R7800, R8900, R9000, WNDR4300v2 and WNDR4500v3 (Wireless LAN Software). This affects an unknown functionality. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Certain NETGEAR devices are affected by a buffer overflow by an authenticated user. This affects D7800 before 1.0.1.34, R7500v2 before 1.0.3.26, R7800 before 1.0.2.42, R8900 before 1.0.3.10, R9000 before 1.0.3.10, WNDR4300v2 before 1.0.0.54, and WNDR4500v3 before 1.0.0.54.

The weakness was disclosed 04/22/2020 (Website). The advisory is shared at kb.netgear.com. This vulnerability is uniquely identified as CVE-2018-21151 since 04/20/2020. The attack can only be done within the local network. The successful exploitation needs a authentication. Neither technical details nor an exploit are 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: 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/20/2020 🔍
04/22/2020 +2 days 🔍
04/23/2020 +1 days 🔍
06/01/2024 +1500 days 🔍

Sourcesinfo

Vendor: netgear.com

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

CVE: CVE-2018-21151 (🔍)
GCVE (CVE): GCVE-0-2018-21151
GCVE (VulDB): GCVE-100-154197

Entryinfo

Created: 04/23/2020 09:42
Updated: 06/01/2024 14:41
Changes: 04/23/2020 09:42 (36), 04/23/2020 09:47 (12), 10/11/2020 12:16 (1), 10/11/2020 12:25 (1), 06/01/2024 14:41 (33)
Complete: 🔍
Cache ID: 216::103

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