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CVSS v3.1
9.8
EPSS
92.37%
Published
May 4, 2018
Modified
Nov 5, 2025
CISA Known Exploited Vulnerability
Added: 2022-03-31 · Due: 2022-04-21
The impacted product is end-of-life and should be disconnected if still in use.
Public PoC / Exploit (2)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
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.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWeaknesses (CWE)
Affected Products (2)
References (7)