Detections
Analytics

CVE-2021-27172

critical

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.

References

https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#telnet-linux-hardcoded-credentials

Details

Source: Mitre, NVD

Published: 2021-02-10

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 9.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.19844