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Dasan · Gigabit Passive Optical Network (GPON) Routers

CVE-2018-10561

Dasan GPON Routers Authentication Bypass Vulnerability

CISA KEV record

CISA date added
2022-03-31
CISA due date
2022-04-21
Known ransomware use
Unknown

NVD risk context

9.8 CRITICAL

CVSS is a technical severity score. CISA’s KEV status remains the evidence that this vulnerability is known to be exploited.

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Attack vector
Network
The vulnerable service can be reached remotely over a network.
Attack complexity
Low
Exploitation does not require unusual conditions beyond normal attacker control.
Privileges required
None
The attacker does not need an existing account or privileges.
User interaction
None
No action by another user is required.

Description

Dasan GPON Routers contain an authentication bypass vulnerability. When combined with CVE-2018-10562, exploitation can allow an attacker to perform remote code execution.

Required action

The impacted product is end-of-life and should be disconnected if still in use.

NVD reference index

Vendor and remediation references

NVD has not tagged a reference for this KEV as a patch, mitigation, release note, or vendor advisory.

Other NVD references (4)

MITRE CWE context

CWE classification

CWE-287 Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

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NVD record timing

NVD record timeline

These dates describe NVD’s record, not CISA’s KEV addition or remediation due date.

NVD published
May 04, 2018, 03:29 AM UTC
When NVD first published this CVE record.
NVD last updated
Jun 17, 2026, 01:34 AM UTC
When NVD last changed its analysis or record data.
Advanced: view the technical CVSS vector

This standardized code is intended for security tools and technical analysts. The plain-language risk summary above explains its main points.

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

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CISA notes

https://nvd.nist.gov/vuln/detail/CVE-2018-10561