Logitec LAN-W300N-PGRB buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Logitec LAN-W300N-PGRB. This issue affects some unknown processing. The manipulation leads to buffer overflow. This vulnerability is uniquely identified as CVE-2021-20640. The attack can only be initiated within the local network. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Logitec LAN-W300N-PGRB (affected version unknown). This issue affects an unknown functionality. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 02/12/2021. The advisory is shared at jvn.jp. The identification of this vulnerability is CVE-2021-20640. Neither technical details nor an exploit are publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / 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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/17/2020 🔍
02/12/2021 +57 days 🔍
02/12/2021 +0 days 🔍
03/01/2021 +17 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Not defined

CVE: CVE-2021-20640 (🔍)
GCVE (CVE): GCVE-0-2021-20640
GCVE (VulDB): GCVE-100-169877

Entryinfo

Created: 02/12/2021 16:40
Updated: 03/01/2021 09:51
Changes: 02/12/2021 16:40 (34), 03/01/2021 09:49 (2), 03/01/2021 09:51 (18)
Complete: 🔍
Cache ID: 216::103

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