Secuno
ENNL
Book demo

CVE-2018-14839

LG N1A1 NAS Remote Command Execution

9.8 CRITICALActively exploited (CISA KEV)Public exploitEPSS 89.4%
  1. Published14 May 2019
  2. Added to CISA KEV25 Mar 2022
  3. Remediation due15 Apr 2022
Actively exploited (CISA KEV)

LG N1A1 NAS 3718.510 is affected by a remote code execution vulnerability.

Added to KEV: 25 Mar 2022Federal remediation due: 15 Apr 2022

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Lg N1a1 Firmware3718.510

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

CVE-2026-185298.7
IBM Maximo Application Suite - Location Service for Esri Component 9.2, 9.1, and 9.0 is…
CVE-2025-714299.8
GPT-SoVITS through 20250606v2pro contains an OS command injection vulnerability in…
CVE-2020-372798.1
easy-pdf-merge 0.1.0 through 0.2.6 contains an OS command injection vulnerability that…
CVE-2026-1093188.8
Grav Git Sync 1.0.2 through 3.4.12 contains a command injection vulnerability that…
CVE-2026-1088969.9
A vulnerability was found in Linksys E1700 1.0.0.4.003. This affects the function…
CVE-2026-1088959.9
A weakness has been identified in Linksys E1700 1.0.0.4.003. The affected element is…

Frequently asked

Is CVE-2018-14839 being actively exploited?

Yes. CVE-2018-14839 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 25 Mar 2022.

How severe is CVE-2018-14839?

CVE-2018-14839 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 89.4% probability of exploitation.

Which products are affected by CVE-2018-14839?

Affected products include Lg N1a1 Firmware.

How do I fix CVE-2018-14839?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2018-14839 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation worksBook a demo

Get Patch this first every Monday

Five vulnerabilities that matter this week, ranked on real exploitation. Plain language, one email, no spam.

You can unsubscribe with one click from every issue. We handle your details as described in our privacy policy.

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.