Netgear R7800 prior 1.0.2.52 stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Netgear R7800. Affected is an unknown function. Executing a manipulation can lead to stack-based overflow. This vulnerability appears as CVE-2019-20764. The attacker needs to be present on the local network. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Netgear R7800 (Wireless LAN Software). It has been declared 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:

NETGEAR R7800 devices before 1.0.2.52 are affected by a stack-based buffer overflow by an authenticated user.

The weakness was presented 04/16/2020 (Website). The advisory is shared for download at kb.netgear.com. This vulnerability was named CVE-2019-20764 since 04/15/2020. The attack can only be initiated within the local network. A single authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading to version 1.0.2.52 eliminates this vulnerability.

See VDB-153990, VDB-153989, VDB-153987 and VDB-153985 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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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

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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: 🔍

Upgrade: R7800 1.0.2.52

Timelineinfo

04/15/2020 🔍
04/16/2020 +1 days 🔍
04/17/2020 +1 days 🔍
05/31/2024 +1505 days 🔍

Sourcesinfo

Vendor: netgear.com

Advisory: kb.netgear.com
Status: Not defined

CVE: CVE-2019-20764 (🔍)
GCVE (CVE): GCVE-0-2019-20764
GCVE (VulDB): GCVE-100-153988
See also: 🔍

Entryinfo

Created: 04/17/2020 11:06
Updated: 05/31/2024 10:00
Changes: 04/17/2020 11:06 (38), 04/17/2020 11:11 (12), 05/31/2024 10:00 (34)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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