CVE-2018-10561 | BDVDB-2026-100384 Detail

DasanGigabit Passive Optical Network (GPON) Routers

Description#

An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication simply by appending "?images" to any URL of the device that requires authentication, as demonstrated by the /menu.html?images/ or /GponForm/diag_FORM?images/ URI. One can then manage the device.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-287 Improper Authentication

References#

Exploit#

https://www.exploit-db.com/exploits/44576/

History#

Version 12018-05-04Record published in the CVE List.
Version 22025-10-21Most recent update recorded in the CVE List.

Published

Published: 2018-05-04
Last modified: 2025-10-21

Vendor information

Vendor: Dasan
Product: Gigabit Passive Optical Network (GPON) Routers

All Dasan vulnerabilities

Score

9.8 Critical

EPSS

92.8%, Very High

Estimated chance of exploitation in the next 30 days. EPSS percentile: 99.8.

KEV

Yes

Listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Authentication Issues

Action

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

Affected Systems

No version data in the source record.

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.8 Critical

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).