CVE-2019-9974

CRITICALNVD 9.19.1—

9.1

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.

CVSS v3: 9.1
EG Score: 9.1(medium)
EPSS: 82.3%
KEV: Not listed

Published

April 11, 2019

Last Modified

November 21, 2024

References (6)

cve@mitrehttp://packetstormsecurity.com/files/152232/DASAN-H660RM-Information-Disclosure-Hardcoded-Key.html
cve@mitrehttps://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/
cve@mitrehttps://seclists.org/bugtraq/2019/Mar/41
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/152232/DASAN-H660RM-Information-Disclosure-Hardcoded-Key.html
af854a3a-2127-422b-91ae-364da2661108https://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/
af854a3a-2127-422b-91ae-364da2661108https://seclists.org/bugtraq/2019/Mar/41

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 11× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-29 13:42 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 20:36 UTCEG score recompute
2026-05-27 20:36 UTCGHSA enrichment
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-24 16:47 UTCepss_batch

Frequently asked(5)

What is CVE-2019-9974?

CVE-2019-9974 is a critical vulnerability published on April 11, 2019. 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.

When was CVE-2019-9974 disclosed?

CVE-2019-9974 was first published in the National Vulnerability Database on April 11, 2019, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2019-9974 actively exploited?

CVE-2019-9974 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-9974?

CVE-2019-9974 has a CVSS v3 base score of 9.1 (NVD).

How do I remediate CVE-2019-9974?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-9974, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2019-9974

📅 Published

🔄 Last Modified

🔗 References (6)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2019-9974?

🔗 Related CVEs(same CWE)

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Published

Last Modified

References (6)

Frequently asked(5)

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