CVE-2019-9974

CRITICAL

DASAN H660RM Firmware 1.03-0022 - Unauthenticated Command Execution via diag_tool.cgi

Title source: llm

Description

diag_tool.cgi on DASAN H660RM GPON routers with firmware 1.03-0022 lacks any authorization check, which allows remote attackers to run a ping command via a GET request to enumerate LAN devices or crash the router with a DoS attack.

References (3)

Core 3

Core References

Mailing List, Third Party Advisory mailing-list x_refsource_bugtraq

https://seclists.org/bugtraq/2019/Mar/41

Third Party Advisory, VDB Entry x_refsource_misc

http://packetstormsecurity.com/files/152232/DASAN-H660RM-Information-Disclosure-Hardcoded-Key.html

Exploit, Third Party Advisory x_refsource_misc

https://blog.burghardt.pl/2019/03/diag_tool-cgi-on-dasan-h660rm-devices-with-firmware-1-03-0022-allows-spawning-ping-processes-without-any-authorization-leading-to-information-disclosure-and-dos-attacks/

Scores

CVSS v3 9.1

EPSS 0.0292

EPSS Percentile 85.3%

Attack Vector NETWORK

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

Details

CWE

CWE-306 CWE-862

Status published

Products (1)

dasannetworks/h660rm_firmware 1.03-0022

Published Apr 11, 2019

Tracked Since Feb 18, 2026