Netgear R7800/R9000/WNDR3700v4/WNDR4300 stack-based overflow

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 labeled as critical has been found in Netgear R7800, R9000, WNDR3700v4 and WNDR4300. Affected is an unknown function. Such manipulation leads to stack-based overflow. This vulnerability is uniquely identified as CVE-2018-21183. The attack can only be initiated within the local network. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Netgear R7800, R9000, WNDR3700v4 and WNDR4300 (Wireless LAN Software) (the affected version unknown) and classified as critical. Affected by this issue is 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. CVE summarizes:

Certain NETGEAR devices are affected by a stack-based buffer overflow by an authenticated user. This affects R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.92, and WNDR4300 before 1.0.2.94.

The weakness was disclosed 04/28/2020 (Website). The advisory is shared for download at kb.netgear.com. This vulnerability is handled as CVE-2018-21183 since 04/20/2020. The attack needs to be done within the local network. A simple authentication is necessary for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The entry VDB-154471 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

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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

04/20/2020 🔍
04/28/2020 +8 days 🔍
04/28/2020 +0 days 🔍
06/03/2024 +1497 days 🔍

Sourcesinfo

Vendor: netgear.com

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

CVE: CVE-2018-21183 (🔍)
GCVE (CVE): GCVE-0-2018-21183
GCVE (VulDB): GCVE-100-154472
See also: 🔍

Entryinfo

Created: 04/28/2020 22:13
Updated: 06/03/2024 14:31
Changes: 04/28/2020 22:13 (37), 04/28/2020 22:18 (12), 10/13/2020 16:08 (1), 10/13/2020 16:12 (1), 06/03/2024 14:31 (33)
Complete: 🔍
Cache ID: 216::103

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