What’s Vulnerable › Vulnerabilities

CVE-2021-20647

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% 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-352

Description

Cross-site request forgery (CSRF) vulnerability in ELECOM WRC-300FEBK-S allows remote attackers to hijack the authentication of administrators and execute an arbitrary request via unspecified vector. As a result, the device settings may be altered and/or telnet daemon may be started.

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/

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