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CRITICAL

CVE-2021-27172

CVSS v3

9.8

CRITICAL

EPSS Score

19.8 %

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. A hardcoded GEPON password for root is defined inside /etc/init.d/system-config.sh.

Technical details

Published
2021-02-10

Frequently asked questions

What is CVE-2021-27172?

An issue was discovered on FiberHome HG6245D devices through RP2613. A hardcoded GEPON password for root is defined inside /etc/init.d/system-config.sh.

Is CVE-2021-27172 actively exploited?

Active exploitation of CVE-2021-27172 has not been confirmed. Its EPSS score was 19.8% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-27172?

CVE-2021-27172 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2021-27172 affecting your environment?

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