CVE-2021-27177: Fiberhome HG6245D Firmware

Critical severity, CVSS 9.8. EPSS: 19.7% chance of exploitation in the next 30 days.

An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to bypass authentication by sending the decoded value of the GgpoZWxwCmxpc3QKd2hvCg== string to the telnet server.

Affected products

• Fiberhome HG6245D Firmware: up to and including rp2613

Published 2021-02-10. Last modified 2026-06-17.