CVE-2021-20637

MediumCVSS 6.5/10Last modified Jun 17, 2026

Description

Improper check or handling of exceptional conditions in LOGITEC LAN-W300N/PR5B allows a remote attacker to cause a denial-of-service (DoS) condition by sending a specially crafted URL.

Metrics

CVSS 3.1 6.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Affected software

Vendor	Product	Versions
LOGITEC CORPORATION	LAN-W300N/PR5B	LAN-W300N/PR5B

References

https://jvn.jp/en/jp/JVN96783542/index.htmlThird Party Advisory
https://www.elecom.co.jp/news/security/20210126-01/Vendor Advisory
https://jvn.jp/en/jp/JVN96783542/index.htmlThird Party Advisory
https://www.elecom.co.jp/news/security/20210126-01/Vendor Advisory

Timeline

Published: Feb 12, 2021
Last modified: Jun 17, 2026
NVD status: Modified

Related CVEs from 2021

CVE-2021-206386.8LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute arbitrary OS commands via unspecified vectors.CVE-2021-206396.8LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute arbitrary OS commands via unspecified vectors.CVE-2021-20649.8Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Core Components). The supported version that is CVE-2021-206406.8Buffer overflow vulnerability in LOGITEC LAN-W300N/PGRB allows an attacker with administrative privilege to execute an arbitrary OS command CVE-2021-206416.5Cross-site request forgery (CSRF) vulnerability in LOGITEC LAN-W300N/RS allows remote attackers to hijack the authentication of administrato CVE-2021-206426.5Improper check or handling of exceptional conditions in LOGITEC LAN-W300N/RS allows a remote attacker to cause a denial-of-service (DoS) con CVE-2021-206437.5Improper access control vulnerability in ELECOM LD-PS/U1 allows remote attackers to change the administrative password of the affected devic CVE-2021-206446.1ELECOM WRC-1467GHBK-A allows arbitrary scripts to be executed on the user's web browser by displaying a specially crafted SSID on the web se CVE-2021-206455.4Cross-site scripting vulnerability in ELECOM WRC-300FEBK-A allows remote authenticated attackers to inject arbitrary script via unspecified CVE-2021-206466.5Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-A allows remote attackers to hijack the authentication of administrato CVE-2021-206476.5Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-S allows remote attackers to hijack the authentication of administrato CVE-2021-206486.8ELECOM WRC-300FEBK-S allows an attacker with administrator rights to execute arbitrary OS commands via unspecified vectors.