{"id":"CVE-2018-20336","aliases":["EUVD-2018-12894","GHSA-xpj4-6w39-7c42"],"status":"published","title":"An issue was discovered in Asuswrt-Merlin 384.6. There is a stack-based buffer overflow issue in...","description":"An issue was discovered in ASUSWRT 3.0.0.4.384.20308. There is a stack-based buffer overflow issue in parse_req_queries function in wanduck.c via a long string over UDP, which may lead to an information leak.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01733,"percentile":0.77829,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2019-09-17T15:51:33Z","modified":"2026-06-17T01:52:38Z","products":[{"vendor":"asus","product":"asuswrt-merlin"}],"references":[{"url":"https://starlabs.sg/advisories/18-20336/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.asus.com/Networking/RT-AC1200G-plus/HelpDesk_BIOS/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20336"},{"url":"https://starlabs.sg/advisories/18-20336"},{"url":"https://www.asus.com/Networking/RT-AC1200G-plus/HelpDesk_BIOS"},{"url":"https://github.com/advisories/GHSA-xpj4-6w39-7c42"}],"sources":{"cve":[{"id":"CVE-2018-20336","description":"An issue was discovered in ASUSWRT 3.0.0.4.384.20308. There is a stack-based buffer overflow issue in parse_req_queries function in wanduck.c via a long string over UDP, which may lead to an information leak.","status":"published","published":"2019-09-17T15:51:33Z","modified":"2024-08-05T11:58:18.917Z","updated_at":"2026-11-02T14:34:59.872731Z"}],"euvd":[{"id":"EUVD-2018-12894","description":"An issue was discovered in ASUSWRT 3.0.0.4.384.20308. There is a stack-based buffer overflow issue in parse_req_queries function in wanduck.c via a long string over UDP, which may lead to an information leak.","status":"published","published":"2019-09-17T15:51:33Z","modified":"2024-08-05T11:58:18Z","updated_at":"2026-11-03T02:39:31.423203Z"}],"ghsa":[{"id":"GHSA-xpj4-6w39-7c42","title":"An issue was discovered in Asuswrt-Merlin 384.6. There is a stack-based buffer overflow issue in...","description":"An issue was discovered in Asuswrt-Merlin 384.6. There is a stack-based buffer overflow issue in parse_req_queries function in wanduck.c via a long string over UDP, which may lead to an information leak.","status":"published","published":"2022-05-24T16:56:20Z","modified":"2024-04-04T01:57:58Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:56:04.496643Z"}],"nvd":[{"id":"CVE-2018-20336","description":"An issue was discovered in ASUSWRT 3.0.0.4.384.20308. There is a stack-based buffer overflow issue in parse_req_queries function in wanduck.c via a long string over UDP, which may lead to an information leak.","status":"published","published":"2019-09-17T16:15:10.747Z","modified":"2026-06-17T01:52:38.79Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:04:59.278647Z"}]}}