CVE-2018-14839
Detail
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.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
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This CVE is in CISA's Known Exploited Vulnerabilities Catalog
Reference
CISA's BOD 22-01 and Known
Exploited Vulnerabilities Catalog for further guidance and requirements.
Vulnerability Name
Date Added
Due Date
Required Action
LG N1A1 NAS Remote Command Execution Vulnerability
03/25/2022
04/15/2022
Apply updates per vendor instructions.
Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
NIST
CISA-ADP
Change History
15 change records found show changes
CVE Modified by CISA-ADP
6/16/2026 9:41:44 PM
Action
Type
Old Value
New Value
Added
SSVC
{"timestamp":"2025-02-04T20:42:06.215991Z","id":"CVE-2018-14839","options":[{"exploitation":"active"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}
CVE Modified by MITRE
6/16/2026 9:41:44 PM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]
Modified Analysis by NIST
11/07/2025 2:13:55 PM
Action
Type
Old Value
New Value
Added
Reference Type
CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14839 Types: US Government Resource
CVE Modified by CISA-ADP
10/21/2025 8:16:18 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14839
CVE Modified by CISA-ADP
10/21/2025 4:17:08 PM
Action
Type
Old Value
New Value
Removed
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14839
CVE Modified by CISA-ADP
10/21/2025 3:17:25 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-14839
Modified Analysis by NIST
3/14/2025 1:49:43 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
AND
OR
*cpe:2.3:o:lg:n1a1_firmware:3718.510:*:*:*:*:*:*:*
OR
cpe:2.3:h:lg:n1a1:-:*:*:*:*:*:*:*
AND
OR
*cpe:2.3:o:lg:n1a1_firmware:3718.510:*:*:*:*:*:*:*
OR
cpe:2.3:h:lg:n1a1:-:*:*:*:*:*:*:*
Changed
CPE Configuration
AND
OR
*cpe:2.3:o:lg:n1a1_firmware:3718.510:*:*:*:*:*:*:*
OR
cpe:2.3:h:lg:n1a1:-:*:*:*:*:*:*:*
AND
OR
*cpe:2.3:o:lg:n1a1_firmware:3718.510:*:*:*:*:*:*:*
OR
cpe:2.3:h:lg:n1a1:-:*:*:*:*:*:*:*
CVE Modified by CISA-ADP
2/04/2025 4:15:13 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Added
CWE
CWE-78
Modified Analysis by NIST
1/23/2025 12:09:21 PM
Action
Type
Old Value
New Value
CVE Modified by CVE
11/20/2024 10:49:54 PM
Action
Type
Old Value
New Value
Added
Reference
https://medium.com/%400x616163/lg-n1a1-unauthenticated-remote-command-injection-cve-2018-14839-9d2cf760e247
Modified Analysis by NIST
7/16/2024 1:55:14 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Removed
CVSS V3
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Changed
Reference Type
https://medium.com/%400x616163/lg-n1a1-unauthenticated-remote-command-injection-cve-2018-14839-9d2cf760e247 No Types Assigned
https://medium.com/%400x616163/lg-n1a1-unauthenticated-remote-command-injection-cve-2018-14839-9d2cf760e247 Exploit, Third Party Advisory
CVE Modified by MITRE
5/14/2024 1:02:48 AM
Action
Type
Old Value
New Value
CVE Modified by MITRE
11/06/2023 9:53:02 PM
Action
Type
Old Value
New Value
Added
Reference
MITRE https://medium.com/%400x616163/lg-n1a1-unauthenticated-remote-command-injection-cve-2018-14839-9d2cf760e247 [No types assigned]
Removed
Reference
MITRE https://medium.com/@0x616163/lg-n1a1-unauthenticated-remote-command-injection-cve-2018-14839-9d2cf760e247
CWE Remap by NIST
10/02/2019 8:03:26 PM
Action
Type
Old Value
New Value
Changed
CWE
CWE-77
CWE-77
CWE-78
Initial Analysis by NIST
5/16/2019 10:22:17 AM
Action
Type
Old Value
New Value
Added
CVSS V3
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Added
CVSS V2
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Added
CWE
CWE-77
Added
CPE Configuration
AND
OR
*cpe:2.3:o:lg:n1a1_firmware:3718.510:*:*:*:*:*:*:*
OR
cpe:2.3:h:lg:n1a1:-:*:*:*:*:*:*:*
Changed
Reference Type
https://medium.com/@0x616163/lg-n1a1-unauthenticated-remote-command-injection-cve-2018-14839-9d2cf760e247 No Types Assigned
https://medium.com/@0x616163/lg-n1a1-unauthenticated-remote-command-injection-cve-2018-14839-9d2cf760e247 Exploit, Third Party Advisory
Quick Info
CVE Dictionary Entry: CVE-2018-14839 NVD
Published Date: 05/14/2019 NVD
Last Modified: 06/16/2026
Source: MITRE