Critical 9.8Known exploited (CISA KEV)Published May 14, 2019

CVE-2018-14839LG N1A1 NAS 3718.510 is affected by: Remote Command Execution.

Updated under an hour ago (2026-10-19 09:30 UTC)

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CISA lists it as known exploited since Mar 25, 2022; federal agencies had to remediate by Apr 15, 2022. Treat that date as your deadline.

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Exploited in the last 30 days

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: 9.8 CRITICAL (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-78
Known exploited: Added to CISA KEV Mar 25, 2022; federal remediation due Apr 15, 2022Apply updates per vendor instructions.
EPSS (exploitation in the next 30 days): 89.35% (percentile 100)
Assigned by: mitre
NVD analysis: Analyzed
Record last updated: Oct 21, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

lg n1a1_firmware lg:n1a1_firmware	3718.510	NVD

References

https://medium.com/%400x616163/lg-n1a1-unauthenticated-remote-command-injection-cve-2018-14839-9d2cf760e247x-refsource-misc, exploit, third-party-advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14839us-government-resource

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.