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Case File

CVE-2019-9974

CRITICAL · CVSS 9.1 EPSS 2.92% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2019-04-11 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.1. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2019-9974
Severity
CRITICAL
CVSS
9.1
EPSS
2.92%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)