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CVE-2021-27169

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

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

20.1%Up 19.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

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

Record
CVE-2021-27169
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Weakness
CWE-798
Updated
2026-11-02
CVE List No score

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

Record
CVE-2021-27169
Updated
2026-11-02
EUVDEUVD-2021-13936 No score

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

Record
EUVD-2021-13936
Updated
2026-11-03
GitHub AdvisoriesGHSA-3267-pg8g-jq86 No score

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

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

Record
GHSA-3267-pg8g-jq86
Weakness
CWE-798
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-27169 is a critical vulnerability (CVSS 9.8) in Fiberhome An5506-04-fa Firmware, published February 10, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 20.1%, the 97th percentile. No source names a fixed version.

References

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