CVE-2025-44178

Medium

Description

DASAN GPON ONU H660WM H660WMR210825 is susceptible to improper access control under its default settings. Attackers can exploit this vulnerability to gain unauthorized access to sensitive information and modify its configuration via the UPnP protocol WAN sides without any authentication.

SeverityMedium
CVSS6.5
Exploit probability21. percentile0.3%
ProductGPON ONU H660WM H660WMR210825
PublishedAug 25, 2025
First seenAug 25, 2025

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
DASAN GPON ONU H660WM H660WMR210825No range specified—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.