Is CVE-2018-14839 actively exploited?

CVE-2018-14839 has no public evidence of in-the-wild exploitation as of 2025-11-07.

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

CVE-2018-14839 has a CVSS score of 9.8 (CRITICAL severity). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

How do I patch CVE-2018-14839?

Patch guidance is available from lg security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2018-14839.

Fix CVE-2018-14839 - CRITICAL lg n1a1 firmware

Description

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 Metrics

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector: network
Complexity: low
Privileges: none
User Action: none
Scope: unchanged
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: CWE-78 · OS Command Injection CWE-78 · OS Command Injection

Metadata

Primary Vendor: LG
Published: 5/14/2019
Last Modified: 11/7/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2018-14839

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary