{"id":"CVE-2018-20334","aliases":["EUVD-2018-12892","GHSA-xgrv-mpr3-8pg9"],"status":"published","title":"An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST...","description":"An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST data, there is a command injection issue via shell metacharacters in the fb_email parameter. By using this issue, an attacker can control the router and get shell.","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":"2026-11-10","score":0.03773,"percentile":0.90025,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2020-03-20T00:11:06Z","modified":"2026-06-17T01:52:38Z","products":[{"vendor":"asus","product":"asuswrt"}],"references":[{"url":"https://starlabs.sg/advisories/18-20334/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20334"},{"url":"https://github.com/advisories/GHSA-xgrv-mpr3-8pg9"}],"sources":{"cve":[{"id":"CVE-2018-20334","description":"An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST data, there is a command injection issue via shell metacharacters in the fb_email parameter. By using this issue, an attacker can control the router and get shell.","status":"published","published":"2020-03-20T00:11:06Z","modified":"2024-08-05T11:58:18.926Z","updated_at":"2026-11-02T14:34:59.872731Z"}],"euvd":[{"id":"EUVD-2018-12892","description":"An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST data, there is a command injection issue via shell metacharacters in the fb_email parameter. By using this issue, an attacker can control the router and get shell.","status":"published","published":"2020-03-20T00:11:06Z","modified":"2024-08-05T11:58:18Z","updated_at":"2026-11-03T02:39:31.423203Z"}],"ghsa":[{"id":"GHSA-xgrv-mpr3-8pg9","title":"An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST...","description":"An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST data, there is a command injection issue via shell metacharacters in the fb_email parameter. By using this issue, an attacker can control the router and get shell.","status":"published","published":"2022-05-24T17:11:59Z","modified":"2023-01-29T05:01:54Z","updated_at":"2026-11-02T14:44:56.825456Z"}],"nvd":[{"id":"CVE-2018-20334","description":"An issue was discovered in ASUSWRT 3.0.0.4.384.20308. When processing the /start_apply.htm POST data, there is a command injection issue via shell metacharacters in the fb_email parameter. By using this issue, an attacker can control the router and get shell.","status":"published","published":"2020-03-20T01:15:22.357Z","modified":"2026-06-17T01:52:38.51Z","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","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-78"],"updated_at":"2026-11-02T14:05:00.03074Z"}]}}