{"id":"CVE-2018-14839","kind":"vulnerability","aliases":["CVE-2018-14839"],"related":[],"title":"LG N1A1 NAS: LG N1A1 NAS Remote Command Execution Vulnerability","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.","summary":"The LG N1A1 NAS firmware version 3718.510 has a remote code execution flaw. An attacker can run commands on the device over the network, and it is listed in CISA's known-exploited catalog.","severity":"critical","cvss":9.8,"epss":0.89354,"exploited":true,"exploited_at":"2022-03-25T00:00:00+00:00","products":[{"name":"LG N1A1 NAS","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["exploited","infrastructure","lg-n1a1","nas","self-hosted"],"not_affected_if":["unknown"],"how_to_check":"Check the firmware version on the NAS admin page; the affected version reported is 3718.510.","fix":"Apply the vendor update per LG instructions; no fixed version is named in the sources.","status":"open","published_at":"2019-05-14T21:29:00+00:00","first_seen_at":"2026-10-23T19:11:52+00:00","triaged_at":"2026-10-23T21:20:13+00:00","updated_at":"2026-10-23T21:57:35+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-23T21:20:13Z","model":"claude-haiku-5-5","output":{"fix":"Apply the vendor update per LG instructions; no fixed version is named in the sources.\nunknown","reach":"unknown","impact":"high","summary":"The LG N1A1 NAS firmware version 3718.510 has a remote code execution flaw. An attacker can run commands on the device over the network, and it is listed in CISA's known-exploited catalog.","category":"infrastructure","who_cares":["lg-n1a1","nas","self-hosted"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Attacker runs arbitrary commands on the NAS device remotely","analyst_note":"Find the LG advisory or fixed firmware version and the exposed-service details; check CISA KEV entry at https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2018-14839","how_to_check":"Check the firmware version on the NAS admin page; the affected version reported is 3718.510.\nunknown","needs_analyst":true,"not_affected_if":["unknown"],"user_interaction":"unknown","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000483,"input_tokens":2816,"output_tokens":403,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-14839':13A,16A '-2018':12A,15A '3718.510':35B,67C 'affect':69C 'arbitrari':78C 'attack':43B,82C 'catalog':63B 'cisa':58B 'code':39B,79C 'command':8A,46B,72C 'cve':11A,14A 'devic':49B 'execut':9A,40B,73C,77C 'exploit':20B,62B 'firmwar':33B 'flaw':41B 'host':28B 'http':85C 'impact':75C 'infrastructur':21B 'known':61B 'known-exploit':60B 'lg':1A,4A,17A,23B,30B,64C 'lg-n1a1':22B 'list':56B 'n1a1':2A,5A,18A,24B,31B,65C 'nas':3A,6A,19A,25B,32B,66C 'network':52B 'paramet':88C 'post':86C 'remot':7A,38B,71C,80C 'run':45B 'self':27B 'self-host':26B 'vector':83C 'version':34B 'vulner':10A","nicknames":[],"mitigations":[],"who_affected":null,"tier":null,"verified":{},"analyst_revisit_at":null,"first_public_at":"2019-05-14T21:29:00+00:00","kev":{"dateAdded":"2022-03-25","dueDate":"2022-04-15","requiredAction":"Apply updates per vendor instructions.","knownRansomwareCampaignUse":"Unknown"},"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvss_by":"nvd@nist.gov","poc_count":0,"sources":[{"source":"kev","external_id":"CVE-2018-14839","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?search_api_fulltext=CVE-2018-14839","severity":null,"published_at":"2022-03-25T00:00:00+00:00","modified_at":null,"first_seen_at":"2026-10-23T19:11:52+00:00","fetched_at":"2026-10-25T13:39:32+00:00","note":null},{"source":"epss","external_id":"CVE-2018-14839","url":"https://api.first.org/data/v1/epss?cve=CVE-2018-14839","severity":null,"published_at":null,"modified_at":null,"first_seen_at":"2026-10-23T19:13:45+00:00","fetched_at":"2026-10-23T19:13:45+00:00","note":null},{"source":"nvd","external_id":"CVE-2018-14839","url":"https://nvd.nist.gov/vuln/detail/CVE-2018-14839","severity":null,"published_at":"2019-05-14T21:29:00+00:00","modified_at":"2026-06-17T01:41:44+00:00","first_seen_at":"2026-10-23T21:57:35+00:00","fetched_at":"2026-10-23T21:57:35+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}