CVE-2021-27171

CRITICAL

9.8

Description

An issue was discovered on FiberHome HG6245D devices through RP2613. It is possible to start a Linux telnetd as root on port 26/tcp by using the CLI interface commands of ddd and shell (or tshell).

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

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

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/10/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

fiberhome:hg6245dfiberhome:hg6245d_firmware

Weaknesses (CWE)

CWE-787

References

https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#telnet-cli-privilege-escalation(cve@mitre.org)

https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.html#telnet-cli-privilege-escalation(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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