CVE-2021-20649: Elecom Wrc-300febk-S Firmware

Medium severity, CVSS 4.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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

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