Netgear WNR3500Lv2 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 labeled as critical has been found in Netgear D8500, EX3700, EX3800, EX6000, EX6100, EX6120, EX6130, EX6150, EX6200, EX7000, R6250, 2CXNAS, R6300v2, R6400, R6400v2, R6700, R6900, R7000, R7000P, R6900P, R7100LG, R7300, R7900, R8000, R8000P, R7900P, R8500, R8300, RBW30, WN2500RPv2 and WNR3500Lv2. This vulnerability affects unknown code. Such manipulation leads to stack-based overflow. This vulnerability is listed as CVE-2018-21093. 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, which was classified as critical, has been found in Netgear D8500, EX3700, EX3800, EX6000, EX6100, EX6120, EX6130, EX6150, EX6200, EX7000, R6250, 2CXNAS, R6300v2, R6400, R6400v2, R6700, R6900, R7000, R7000P, R6900P, R7100LG, R7300, R7900, R8000, R8000P, R7900P, R8500, R8300, RBW30, WN2500RPv2 and WNR3500Lv2 (Wireless LAN Software). 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 unauthenticated attacker. This affects D8500 before 1.0.3.42, EX3700 before 1.0.0.70, EX3800 before 1.0.0.70, EX6000 before 1.0.0.30, EX6100 before 1.0.2.24, EX6120 before 1.0.0.40, EX6130 before 1.0.0.22, EX6150 before 1.0.0.42, EX6200 before 1.0.3.88, EX7000 before 1.0.0.66, R6250 before 1.0.4.26, R6300-2CXNAS before 1.0.3.60, R6300v2 before 1.0.4.28, R6400 before 1.0.1.36, R6400v2 before 1.0.2.52, R6700 before 1.0.1.46, R6900 before 1.0.1.46, R7000 before 1.0.9.28, R7000P before 1.3.1.44, R6900P before 1.3.1.44, R7100LG before 1.0.0.46, R7300 before 1.0.0.68, R7900 before 1.0.2.10, R8000 before 1.0.4.18, R8000P before 1.3.0.10, R7900P before 1.3.0.10, R8500 before 1.0.2.122, R8300 before 1.0.2.122, RBW30 before 2.1.2.6, WN2500RPv2 before 1.0.0.54, and WNR3500Lv2 before 1.2.0.56.

The weakness was presented 04/27/2020 (Website). The advisory is shared for download at kb.netgear.com. This vulnerability is handled as CVE-2018-21093 since 04/20/2020. The attack needs to be done within the local network. No form of authentication is required for exploitation. There are neither technical details nor an exploit 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: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 6.4
NVD Vector: 🔍

CNA Base Score: 6.4
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: 🔍

Timelineinfo

04/20/2020 🔍
04/27/2020 +7 days 🔍
04/28/2020 +1 days 🔍
06/03/2024 +1497 days 🔍

Sourcesinfo

Vendor: netgear.com

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

CVE: CVE-2018-21093 (🔍)
GCVE (CVE): GCVE-0-2018-21093
GCVE (VulDB): GCVE-100-154388

Entryinfo

Created: 04/28/2020 09:26
Updated: 06/03/2024 08:21
Changes: 04/28/2020 09:26 (36), 04/28/2020 09:31 (12), 10/12/2020 20:55 (1), 10/12/2020 21:01 (1), 06/03/2024 08:21 (33)
Complete: 🔍
Cache ID: 216::103

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