CVE-2018-14839

CRITICALNVD 9.89.8—Trending — 4 sources updated this weekExploited in the wild

9.8

LG N1A1 NAS 3718.510 is affected by: Remote Command Execution. The impact is: execute arbitrary code (remote). The attack vector is: HTTP POST with parameters.

CVSS v3: 9.8
EG Score: 9.8(high)
EPSS: 99.6%
KEV: ⚠ Exploited

Published

May 14, 2019

Last Modified

November 7, 2025

Advisory Details (1)

Auto-updated Jun 1, 2026

⚠️ Active exploitation confirmed. Patch available. Sources: cisa.

cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14839

Weakness Classification(1)

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

CWE-78OS Command Injection

Data Freshness Timeline

(refreshed 20× in last 7d / 20× 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.

2026-06-04 05:38 UTCEG score recompute
2026-06-04 05:38 UTCGHSA enrichment
2026-06-04 01:47 UTCEG score recompute
2026-06-04 01:47 UTCGHSA enrichment
2026-06-03 21:56 UTCEG score recompute
2026-06-03 21:56 UTCGHSA enrichment
2026-06-03 19:09 UTCkev_newly_listed
2026-06-03 18:05 UTCEG score recompute
2026-06-03 18:05 UTCGHSA enrichment
2026-06-03 14:14 UTCEG score recompute
2026-06-03 14:14 UTCGHSA enrichment
2026-06-03 10:23 UTCEG score recompute
2026-06-03 10:23 UTCGHSA enrichment
2026-06-03 06:32 UTCEG score recompute
2026-06-03 06:32 UTCGHSA enrichment
2026-06-03 02:41 UTCEG score recompute
2026-06-03 02:41 UTCGHSA enrichment
2026-06-02 22:51 UTCEG score recompute
2026-06-02 22:51 UTCGHSA enrichment
2026-06-02 19:00 UTCEG score recompute

Frequently asked(6)

What is CVE-2018-14839?

CVE-2018-14839 is a critical vulnerability published on May 14, 2019. LG N1A1 NAS 3718.510 is affected by: Remote Command Execution. The impact is: execute arbitrary code (remote). The attack vector is: HTTP POST with parameters.

When was CVE-2018-14839 disclosed?

CVE-2018-14839 was first published in the National Vulnerability Database on May 14, 2019, with the most recent update on November 7, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-14839 actively exploited?

Yes. CISA added CVE-2018-14839 to the Known Exploited Vulnerabilities catalog on March 25, 2022, affecting LG N1A1 NAS. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.

What is the CVSS score of CVE-2018-14839?

CVE-2018-14839 has a CVSS v3 base score of 9.8 (NVD).

Which products are affected by CVE-2018-14839?

CVE-2018-14839 affects LG N1A1 NAS. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.

How do I remediate CVE-2018-14839?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-14839, 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.

Dependency Blast Radius

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CVE-2018-14839

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

Known Exploited Vulnerabilities Catalog | CISA

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(6)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-14839?

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Advisory Details (1)

Frequently asked(6)

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