{"id":"CVE-2017-11420","aliases":["EUVD-2017-3047","GHSA-2pp8-vrh8-g482"],"status":"published","title":"Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS...","description":"Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_PRO, RT-N16, and RT-N300 devices allows remote attackers to execute arbitrary code via long device information that is mishandled during a strcat to a device list.","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":0.05607,"percentile":0.92966,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2017-07-18T05:00:00Z","modified":"2026-06-17T01:01:47Z","products":[{"vendor":"asuswrt-merlin_project","product":"rt-ac1200_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac3100_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac3200_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac51u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac52u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac5300_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac53_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac55u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac56u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac58u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac66u_b1_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac66u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac68p_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac68u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-ac88u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-n12\\+_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-n12d1_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-n12hp_b1_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-n12hp_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-n16_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-n18u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-n300_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-n56u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt-n66u_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt_ac1200g_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt_ac1200gu_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt_ac1900p_firmware"},{"vendor":"asuswrt-merlin_project","product":"rt_n12\\+_pro_firmware"}],"references":[{"url":"https://asuswrt.lostrealm.ca/changelog","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2017/07/13/1","tags":["x_refsource_MISC","x_transferred","Exploit","Mailing List","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-11420"},{"url":"https://github.com/advisories/GHSA-2pp8-vrh8-g482"}],"sources":{"cve":[{"id":"CVE-2017-11420","description":"Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_PRO, RT-N16, and RT-N300 devices allows remote attackers to execute arbitrary code via long device information that is mishandled during a strcat to a device list.","status":"published","published":"2017-07-18T05:00:00Z","modified":"2024-08-05T18:12:39.551Z","updated_at":"2026-11-02T14:33:19.848632Z"}],"euvd":[{"id":"EUVD-2017-3047","description":"Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_PRO, RT-N16, and RT-N300 devices allows remote attackers to execute arbitrary code via long device information that is mishandled during a strcat to a device list.","status":"published","published":"2017-07-18T05:00:00Z","modified":"2024-08-05T18:12:39Z","updated_at":"2026-11-03T02:23:23.645757Z"}],"ghsa":[{"id":"GHSA-2pp8-vrh8-g482","title":"Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS...","description":"Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_PRO, RT-N16, and RT-N300 devices allows remote attackers to execute arbitrary code via long device information that is mishandled during a strcat to a device list.","status":"published","published":"2022-05-17T00:12:35Z","modified":"2023-02-03T05:01:11Z","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-119"],"updated_at":"2026-11-02T14:52:55.451166Z"}],"nvd":[{"id":"CVE-2017-11420","description":"Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_PRO, RT-N16, and RT-N300 devices allows remote attackers to execute arbitrary code via long device information that is mishandled during a strcat to a device list.","status":"published","published":"2017-07-18T05:29:00.47Z","modified":"2026-06-17T01:01:47.207Z","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":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:03:54.012105Z"}]}}