PT-2025-34658 · Dasan · Dasan Gpon Onu H660Wm

Chiao-Lin Yu + 1 · Published 2025-08-25 · Updated 2025-08-25 · CVE-2025-29525

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions: DASAN GPON ONU H660WM versions H660WMR210825

Description: The DASAN GPON ONU H660WM device contains insecure default credentials in the modem’s control panel.

Recommendations: Change the default credentials of the modem’s control panel.

Fix

Weakness Enumeration

CWE-1392

Related Identifiers

CVE-2025-29525

Affected Products

Dasan Gpon Onu H660Wm

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2025-29525 · Security Note
• https://gist.github.com/stevenyu113228/20ecc24a10e2b1b7038634b838503d7c · Note
• https://twitter.com/CVEnew/status/1959992649873506693 · Twitter Post