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No exploitation reported

CVE-2021-27170

No exploitation reported by the sources we read.

  • Published2021-02-10
  • WeaknessCWE-922

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2021-02-1019:15CVE publishedNVD

Versions per branch

NVD
Fiberhome hg6245d firmwareversion to verify
BranchAffectedFixed in
—≤ rp2613no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2021-02-10
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-q2v2-27xw-whh5

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 16.1% on 2026-11-08, 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), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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