{"id":"CVE-2018-10561","aliases":["EUVD-2018-2633","GHSA-9f5c-v3c9-rfhg"],"status":"published","title":"An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication...","description":"An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication simply by appending \"?images\" to any URL of the device that requires authentication, as demonstrated by the /menu.html?images/ or /GponForm/diag_FORM?images/ URI. One can then manage the device.","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":"2026-11-08","score":0.92818,"percentile":0.99831,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-287"],"published":"2018-05-04T03:00:00Z","modified":"2026-06-17T01:34:10Z","kev":{"date_added":"2022-03-31","due_date":"2022-04-21","required_action":"The impacted product is end-of-life and should be disconnected if still in use.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2022-03-31"},{"source":"kev","since":"2022-03-31"}],"exploits":[{"source":"exploitdb","id":"EDB-44576","title":"GPON Routers - Authentication Bypass / Command Injection","type":"remote","platform":"hardware","date":"2018-05-03","url":"https://www.exploit-db.com/exploits/44576"}],"products":[{"vendor":"dasan","product":"gigabit passive optical network (gpon) routers"},{"vendor":"dasannetworks","product":"gpon_router_firmware"}],"references":[{"url":"http://www.securityfocus.com/bid/107053","tags":["vdb-entry","x_refsource_BID","x_transferred","Broken Link","Third Party Advisory","VDB Entry"]},{"url":"https://www.exploit-db.com/exploits/44576/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router/","tags":["x_refsource_MISC","x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-10561","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-10561"},{"url":"https://www.exploit-db.com/exploits/44576"},{"url":"https://www.vpnmentor.com/blog/critical-vulnerability-gpon-router"},{"url":"https://github.com/advisories/GHSA-9f5c-v3c9-rfhg"}],"sources":{"cve":[{"id":"CVE-2018-10561","description":"An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication simply by appending \"?images\" to any URL of the device that requires authentication, as demonstrated by the /menu.html?images/ or /GponForm/diag_FORM?images/ URI. One can then manage the device.","status":"published","published":"2018-05-04T03:00:00Z","modified":"2025-10-21T23:45:51.827Z","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":"adp"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:35:01.619448Z"}],"euvd":[{"id":"EUVD-2018-2633","description":"An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication simply by appending \"?images\" to any URL of the device that requires authentication, as demonstrated by the /menu.html?images/ or /GponForm/diag_FORM?images/ URI. One can then manage the device.","status":"published","published":"2018-05-04T03:00:00Z","modified":"2025-10-21T23:45:51Z","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"}],"exploited_since":"2022-03-31","updated_at":"2026-11-02T20:31:23.427989Z"}],"ghsa":[{"id":"GHSA-9f5c-v3c9-rfhg","title":"An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication...","description":"An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication simply by appending \"?images\" to any URL of the device that requires authentication, as demonstrated by the /menu.html?images/ or /GponForm/diag_FORM?images/ URI. One can then manage the device.","status":"published","published":"2022-05-14T01:29:13Z","modified":"2025-10-22T00:31:35Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T15:04:04.176931Z"}],"kev":[{"id":"CVE-2018-10561","title":"Dasan GPON Routers Authentication Bypass Vulnerability","description":"Dasan GPON Routers contain an authentication bypass vulnerability. When combined with CVE-2018-10562, exploitation can allow an attacker to perform remote code execution.","cwes":["CWE-287"],"kev":{"date_added":"2022-03-31","due_date":"2022-04-21","required_action":"The impacted product is end-of-life and should be disconnected if still in use.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.541131Z"}],"nvd":[{"id":"CVE-2018-10561","description":"An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication simply by appending \"?images\" to any URL of the device that requires authentication, as demonstrated by the /menu.html?images/ or /GponForm/diag_FORM?images/ URI. One can then manage the device.","status":"published","published":"2018-05-04T03:29:00.227Z","modified":"2026-06-17T01:34:10.2Z","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":"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":"secondary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:04:26.098615Z"}]}}