CVE-2018-10561 Information

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

Reference

http://www.securityfocus.com/bid/107053 https://www.exploit-db.com/exploits/44576/ https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8