What’s Vulnerable › Vulnerabilities

CVE-2021-20649

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-12 · updated 2026-06-17
• Weakness: CWE-295

Description

ELECOM WRC-300FEBK-S contains an improper certificate validation vulnerability. Via a man-in-the-middle attack, an attacker may alter the communication response. As a result, an arbitrary OS command may be executed on the affected device.

Affected products

• ELECOM CO.,LTD. WRC-300FEBK-S: all versions

References

• https://jvn.jp/en/jp/JVN47580234/index.html
• https://www.elecom.co.jp/news/security/20210126-01/
• https://jvn.jp/en/jp/JVN47580234/index.html
• https://www.elecom.co.jp/news/security/20210126-01/

Get alerted when CVE-2021-20649 or the next vulnerability affects your stack