CVE-2021-20647: Elecom Wrc-300febk-S Firmware

Medium severity, CVSS 6.5. EPSS: 0.5% chance of exploitation in the next 30 days.

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 Wrc-300febk-S Firmware: affected versions not specified

Published 2021-02-12. Last modified 2026-06-17.