{"id":"CVE-2018-18320","aliases":["EUVD-2018-10053","GHSA-9p2j-49w6-xprr"],"status":"disputed","title":"** DISPUTED ** An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin...","description":"An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices. An attacker can execute arbitrary commands because exec.php has a popen call. NOTE: the vendor indicates that Merlin.PHP is designed only for use on a trusted intranet network, and intentionally allows remote code execution","severity":{"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","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.05244,"percentile":0.92586,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2018-10-15T06:00:00Z","modified":"2026-06-17T01:46:59Z","products":[{"vendor":"asuswrt-merlin_project","product":"rt-ac1900_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac2900_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac3100_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac3200_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac5300_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac56u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac66u_b1_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac68p_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac68u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac68uf_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac86u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac87_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac88u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt_ac1900p_firmware"}],"references":[{"url":"https://github.com/qoli/Merlin.PHP/issues/26","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://blog.51cto.com/010bjsoft/2298828","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-18320"},{"url":"https://github.com/advisories/GHSA-9p2j-49w6-xprr"}],"sources":{"cve":[{"id":"CVE-2018-18320","description":"An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices. An attacker can execute arbitrary commands because exec.php has a popen call. NOTE: the vendor indicates that Merlin.PHP is designed only for use on a trusted intranet network, and intentionally allows remote code execution","status":"disputed","published":"2018-10-15T06:00:00Z","modified":"2024-09-16T22:41:30.909Z","updated_at":"2026-11-02T14:35:11.426178Z"}],"euvd":[{"id":"EUVD-2018-10053","description":"An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices. An attacker can execute arbitrary commands because exec.php has a popen call. NOTE: the vendor indicates that Merlin.PHP is designed only for use on a trusted intranet network, and intentionally allows remote code execution","status":"published","published":"2018-10-15T06:00:00Z","modified":"2024-09-16T22:41:30Z","updated_at":"2026-11-03T00:55:00.660655Z"}],"ghsa":[{"id":"GHSA-9p2j-49w6-xprr","title":"** DISPUTED ** An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin...","description":"** DISPUTED ** An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices. An attacker can execute arbitrary commands because exec.php has a popen call. NOTE: the vendor indicates that Merlin.PHP is designed only for use on a trusted intranet network, and intentionally allows remote code execution.","status":"published","published":"2022-05-13T01:19:33Z","modified":"2023-02-01T05:05:50Z","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"}],"updated_at":"2026-11-02T14:50:16.912878Z"}],"nvd":[{"id":"CVE-2018-18320","description":"An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices. An attacker can execute arbitrary commands because exec.php has a popen call. NOTE: the vendor indicates that Merlin.PHP is designed only for use on a trusted intranet network, and intentionally allows remote code execution","status":"disputed","published":"2018-10-15T06:29:00.763Z","modified":"2026-06-17T01:46:59.487Z","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","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:04:44.873741Z"}]}}