What’s Vulnerable › Vulnerabilities

CVE-2021-20642

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-12 · updated 2026-06-17

Description

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

Affected products

• LOGITEC CORPORATION LAN-W300N/RS: all versions

References

• https://jvn.jp/en/jp/JVN96783542/index.html
• https://www.elecom.co.jp/news/security/20210126-01/
• https://jvn.jp/en/jp/JVN96783542/index.html
• https://www.elecom.co.jp/news/security/20210126-01/

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