CVE-2021-27170
CVSS v3
9.8
CRITICAL
EPSS Score
15.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
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.
Technical details
- Published
- 2021-02-10
Frequently asked questions
What is CVE-2021-27170?
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.
Is CVE-2021-27170 actively exploited?
Active exploitation of CVE-2021-27170 has not been confirmed. Its EPSS score was 15.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2021-27170?
CVE-2021-27170 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2021-27170 affecting your environment?
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