Netgear WNDR4500v3 stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Netgear D7800, R6100, R7500, R7500v2, R7800, R9000, WNDR3700v4, WNDR4300, WNDR4300v2 and WNDR4500v3 and classified as critical. This impacts an unknown function. The manipulation leads to stack-based overflow. This vulnerability is listed as CVE-2018-21204. The attack must be carried out from within the local network. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Netgear D7800, R6100, R7500, R7500v2, R7800, R9000, WNDR3700v4, WNDR4300, WNDR4300v2 and WNDR4500v3 (Wireless LAN Software). It has been rated as critical. 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 unauthenticated attacker. This affects D7800 before 1.0.1.30, R6100 before 1.0.1.20, R7500 before 1.0.0.118, R7500v2 before 1.0.3.24, R7800 before 1.0.2.40, R9000 before 1.0.2.52, WNDR3700v4 before 1.0.2.96, WNDR4300 before 1.0.2.98, WNDR4300v2 before 1.0.0.50, and WNDR4500v3 before 1.0.0.50.

The weakness was presented 04/28/2020 (Website). The advisory is shared at kb.netgear.com. The identification of this vulnerability is CVE-2018-21204 since 04/20/2020. The attack needs to be done within the local network. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

See VDB-154491 for similar entry. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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 🔍
04/28/2020 +8 days 🔍
04/29/2020 +1 days 🔍
10/13/2020 +167 days 🔍

Sourcesinfo

Vendor: netgear.com

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

CVE: CVE-2018-21204 (🔍)
GCVE (CVE): GCVE-0-2018-21204
GCVE (VulDB): GCVE-100-154493
See also: 🔍

Entryinfo

Created: 04/29/2020 07:42
Updated: 10/13/2020 21:58
Changes: 04/29/2020 07:42 (37), 04/29/2020 07:47 (12), 10/13/2020 21:56 (1), 10/13/2020 21:58 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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