{"schemaVersion":3,"id":"CVE-2017-14117","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"The AT&T U-verse 9.2.2h0d83 firmware for the Arris NVG589 and NVG599 devices, when IP Passthrough mode is not used, configures an unauthenticated proxy service on WAN TCP port 49152, which allows remote attackers to establish arbitrary TCP connections to intranet hosts by sending \\x2a\\xce\\x01 followed by other predictable values.","dates":{"published":"2017-09-03T19:00:00.000Z","modified":"2024-08-05T19:20:40.544Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.9,"severity":"medium","version":"3.0","versionLabel":"v3.0","source":"NVD","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":5.9,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":4.3,"severity":"medium","vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.08024,"percentile":0.94729,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.08024},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.08069,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.08024,"percentile":0.94729}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.08069,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.08024,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.08024,"percentile":0.94729}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[{"id":"REF_FA6DF0401251B06A","name":"Exploit Reference (nomotion.net)","source":"reference","url":"https://www.nomotion.net/blog/sharknatto/","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"MSF_AUXILIARY_SCANNER_WPROXY_ATT_OPEN_PROXY","name":"Open WAN-to-LAN proxy on AT&T routers","source":"metasploit","url":"https://github.com/rapid7/metasploit-framework/blob/master/modules/auxiliary/scanner/wproxy/att_open_proxy.rb","maturity":"poc","reliabilityScore":0.5,"verified":false,"type":"remote","platforms":[],"requiresAuth":false,"exploitdb":null,"metasploit":{"fullname":"auxiliary/scanner/wproxy/att_open_proxy","rank":"300","rankName":"normal","postAuth":false,"check":false,"stability":[],"sideEffects":[],"reliability":[]}}],"exploitCount":2,"weaknesses":[{"id":"CWE-287","name":"Improper Authentication","description":"When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/287.html"}],"affected":[{"vendor":"att","product":"u-verse_firmware","name":"u-verse firmware","label":"u-verse_firmware","ecosystem":null,"cpePart":"o","purl":null,"purlType":null,"versions":[{"text":"9.2.2h0d83","noFixRecorded":false,"fixedIn":null}],"versionsText":"9.2.2h0d83","eol":null,"hubHref":"/vendor/att/u-verse"}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/","label":"threatpost.com/bugs-in-arris-modems-distributed-by-att-vulnerable-to-trivial-attacks/127753/","hostname":"threatpost.com","tags":["X Refsource MISC","Third Party Advisory"]},{"url":"http://www.securityfocus.com/bid/100585","label":"www.securityfocus.com/bid/100585","hostname":"www.securityfocus.com","tags":["VDB Entry","X Refsource BID","Third Party Advisory"]},{"url":"https://www.nomotion.net/blog/sharknatto/","label":"www.nomotion.net/blog/sharknatto/","hostname":"www.nomotion.net","tags":["X Refsource MISC","Exploit","Mitigation","Technical Description","Third Party Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2017-09-03T19:00:00.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-05T19:20:40.544Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":35,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T11:54:11.031Z","stale":false,"partial":false}}