CVE-2021-27170: Fiberhome HG6245D Firmware

Critical severity, CVSS 9.8. EPSS: 15.9% chance of exploitation in the next 30 days.

An issue was discovered on FiberHome HG6245D devices through RP2613. By default, there are no firewall rules for IPv6 connectivity, exposing the internal management interfaces to the Internet.

Affected products

• Fiberhome HG6245D Firmware: up to and including rp2613

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