{"id":"CVE-2022-23971","aliases":["EUVD-2022-28887","GHSA-prcc-4qf3-mc5c"],"status":"published","title":"ASUS RT-AX56U - Path Traversal","description":"ASUS RT-AX56U’s update_PLC/PORT file has a path traversal vulnerability due to insufficient filtering for special characters in the URL parameter. An unauthenticated LAN attacker can overwrite a system file by uploading another PLC/PORT file with the same file name, which results in service disruption.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00451,"percentile":0.39503,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2022-04-07T18:22:26Z","modified":"2026-06-17T04:31:04Z","products":[{"vendor":"asus","product":"rt-ax56u"},{"vendor":"asus","product":"rt-ax56u_firmware"}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-5785-cf8db-1.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23971"},{"url":"https://github.com/advisories/GHSA-prcc-4qf3-mc5c"}],"sources":{"cve":[{"id":"CVE-2022-23971","title":"ASUS RT-AX56U - Path Traversal","description":"ASUS RT-AX56U’s update_PLC/PORT file has a path traversal vulnerability due to insufficient filtering for special characters in the URL parameter. An unauthenticated LAN attacker can overwrite a system file by uploading another PLC/PORT file with the same file name, which results in service disruption.","status":"published","published":"2022-04-07T18:22:26.279Z","modified":"2024-09-17T04:04:05.439Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:34:29.478363Z"}],"euvd":[{"id":"EUVD-2022-28887","description":"ASUS RT-AX56U’s update_PLC/PORT file has a path traversal vulnerability due to insufficient filtering for special characters in the URL parameter. An unauthenticated LAN attacker can overwrite a system file by uploading another PLC/PORT file with the same file name, which results in service disruption.","status":"published","published":"2022-04-07T18:22:26Z","modified":"2024-09-17T04:04:05Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:26.235396Z"}],"ghsa":[{"id":"GHSA-prcc-4qf3-mc5c","title":"ASUS RT-AX56U’s update_PLC/PORT file has a path traversal vulnerability due to insufficient...","description":"ASUS RT-AX56U’s update_PLC/PORT file has a path traversal vulnerability due to insufficient filtering for special characters in the URL parameter. An unauthenticated LAN attacker can overwrite a system file by uploading another PLC/PORT file with the same file name, which results in service disruption.","status":"published","published":"2022-04-08T00:00:20Z","modified":"2023-01-27T05:01:22Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:41:52.644766Z"}],"nvd":[{"id":"CVE-2022-23971","description":"ASUS RT-AX56U’s update_PLC/PORT file has a path traversal vulnerability due to insufficient filtering for special characters in the URL parameter. An unauthenticated LAN attacker can overwrite a system file by uploading another PLC/PORT file with the same file name, which results in service disruption.","status":"published","published":"2022-04-07T19:15:08.537Z","modified":"2026-06-17T04:31:04.357Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.8,"vector":"AV:A/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:07:14.706146Z"}]}}