# CVE-2018-14839: LG N1A1 NAS Remote Command Execution Vulnerability

Source: https://junglewise.ai/threats/cve-2018-14839-lg-n1a1-nas-remote-command-execution-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-03-25. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2018-14839 · Severity: critical · CVSS 9.8 · Exploited in the wild · Published 2022-03-25

LG N1A1 NAS devices running firmware version 3718.510 are vulnerable to unauthenticated remote command injection. An attacker can execute arbitrary OS commands via a crafted HTTP POST request with specific parameters.

## Quick answers

**Is CVE-2018-14839 exploited in the wild?** Yes. CVE-2018-14839 is known to be exploited in the wild, first recorded on 25 March 2022. Treat it as urgent.

**How severe is CVE-2018-14839?** Critical severity, with a CVSS score of 9.8, published 25 March 2022.

**Which products and versions are affected?** LG N1A1 NAS 3718.510.

**Is there a fix for CVE-2018-14839?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2018-14839 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2018-14839?** Check whether you run Lg N1A1 NAS. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- LG N1A1 NAS 3718.510

## Timeline

- 2019-05-14: disclosed: NVD Published Date
- 2022-03-25: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-03-25: exploited: Confirmed as exploited in the wild by CISA