{"id":"CVE-2019-18852","aliases":["EUVD-2019-8549","GHSA-mpx6-w79q-h86g"],"status":"published","title":"Certain D-Link devices have a hardcoded Alphanetworks user account with TELNET access because of ...","description":"Certain D-Link devices have a hardcoded Alphanetworks user account with TELNET access because of /etc/config/image_sign or /etc/alpha_config/image_sign. This affects DIR-600 B1 V2.01 for WW, DIR-890L A1 v1.03, DIR-615 J1 v100 (for DCN), DIR-645 A1 v1.03, DIR-815 A1 v1.01, DIR-823 A1 v1.01, and DIR-842 C1 v3.00.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01611,"percentile":0.76123,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-319"],"published":"2019-11-11T13:42:47Z","modified":"2026-06-17T02:25:28Z","products":[{"vendor":"dlink","product":"dir-600_b1_firmware"},{"vendor":"dlink","product":"dir-615_j1_firmware"},{"vendor":"dlink","product":"dir-645_a1_firmware"},{"vendor":"dlink","product":"dir-815_a1_firmware"},{"vendor":"dlink","product":"dir-823_a1_firmware"},{"vendor":"dlink","product":"dir-842_c1_firmware"},{"vendor":"dlink","product":"dir-890l_a1_firmware"}],"references":[{"url":"https://github.com/ChandlerChin/Dlink_vuls/blob/master/A%20hard%20coded%20telnet%20user%20was%20discovered%20in%20multiple%20Dlink%20routers.pdf","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-18852"},{"url":"https://github.com/advisories/GHSA-mpx6-w79q-h86g"}],"sources":{"cve":[{"id":"CVE-2019-18852","description":"Certain D-Link devices have a hardcoded Alphanetworks user account with TELNET access because of /etc/config/image_sign or /etc/alpha_config/image_sign. This affects DIR-600 B1 V2.01 for WW, DIR-890L A1 v1.03, DIR-615 J1 v100 (for DCN), DIR-645 A1 v1.03, DIR-815 A1 v1.01, DIR-823 A1 v1.01, and DIR-842 C1 v3.00.","status":"published","published":"2019-11-11T13:42:47Z","modified":"2024-08-05T02:02:39.803Z","updated_at":"2026-11-02T14:32:23.485011Z"}],"euvd":[{"id":"EUVD-2019-8549","description":"Certain D-Link devices have a hardcoded Alphanetworks user account with TELNET access because of /etc/config/image_sign or /etc/alpha_config/image_sign. This affects DIR-600 B1 V2.01 for WW, DIR-890L A1 v1.03, DIR-615 J1 v100 (for DCN), DIR-645 A1 v1.03, DIR-815 A1 v1.01, DIR-823 A1 v1.01, and DIR-842 C1 v3.00.","status":"published","published":"2019-11-11T13:42:47Z","modified":"2024-08-05T02:02:39Z","updated_at":"2026-11-03T02:40:27.303586Z"}],"ghsa":[{"id":"GHSA-mpx6-w79q-h86g","title":"Certain D-Link devices have a hardcoded Alphanetworks user account with TELNET access because of ...","description":"Certain D-Link devices have a hardcoded Alphanetworks user account with TELNET access because of /etc/config/image_sign or /etc/alpha_config/image_sign. This affects DIR-600 B1 V2.01 for WW, DIR-890L A1 v1.03, DIR-615 J1 v100 (for DCN), DIR-645 A1 v1.03, DIR-815 A1 v1.01, DIR-823 A1 v1.01, and DIR-842 C1 v3.00.","status":"published","published":"2022-05-24T22:01:08Z","modified":"2023-01-30T05:04:57Z","updated_at":"2026-11-02T14:47:09.636463Z"}],"nvd":[{"id":"CVE-2019-18852","description":"Certain D-Link devices have a hardcoded Alphanetworks user account with TELNET access because of /etc/config/image_sign or /etc/alpha_config/image_sign. This affects DIR-600 B1 V2.01 for WW, DIR-890L A1 v1.03, DIR-615 J1 v100 (for DCN), DIR-645 A1 v1.03, DIR-815 A1 v1.01, DIR-823 A1 v1.01, and DIR-842 C1 v3.00.","status":"published","published":"2019-11-11T14:15:10.697Z","modified":"2026-06-17T02:25:28.26Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-319"],"updated_at":"2026-11-02T14:05:35.052973Z"}]}}