CVE-2021-27169 — CRITICAL (9.8)

Vulnerability Description

An issue was discovered on FiberHome AN5506-04-FA devices with firmware RP2631. There is a gepon password for the gepon account.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Fiberhome	An5506-04-Fa Firmware	rp2631
Fiberhome	An5506-04-Fa	-

Related Weaknesses (CWE)

CWE-798

References

https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.hExploitThird Party Advisory
https://pierrekim.github.io/blog/2021-01-12-fiberhome-ont-0day-vulnerabilities.hExploitThird Party Advisory

FAQ

What is CVE-2021-27169?

CVE-2021-27169 is a vulnerability with a CVSS score of 9.8 (CRITICAL). An issue was discovered on FiberHome AN5506-04-FA devices with firmware RP2631. There is a gepon password for the gepon account.

How severe is CVE-2021-27169?

CVE-2021-27169 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-27169?

Check the references section above for vendor advisories and patch information. Affected products include: Fiberhome An5506-04-Fa Firmware, Fiberhome An5506-04-Fa.