{"id":"CVE-2023-7220","aliases":["EUVD-2023-59401","GHSA-p9pw-8h32-73j5"],"status":"published","title":"Totolink NR1800X cstecgi.cgi loginAuth stack-based overflow","description":"A vulnerability was found in Totolink NR1800X 9.1.0u.6279_B20210910 and classified as critical. Affected by this issue is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-249854 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","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":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01499,"percentile":0.74478,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2024-01-09T07:31:03Z","modified":"2026-06-17T06:52:20Z","products":[{"vendor":"totolink","product":"nr1800x"},{"vendor":"totolink","product":"nr1800x_firmware"}],"references":[{"url":"https://vuldb.com/?id.249854","tags":["vdb-entry","technical-description","x_transferred","Permissions Required","Third Party Advisory"]},{"url":"https://vuldb.com/?ctiid.249854","tags":["signature","permissions-required","x_transferred","Permissions Required","Third Party Advisory"]},{"url":"https://github.com/jylsec/vuldb/blob/main/TOTOLINK/NR1800X/1/README.md","tags":["broken-link","exploit","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-7220"},{"url":"https://github.com/advisories/GHSA-p9pw-8h32-73j5"}],"sources":{"cve":[{"id":"CVE-2023-7220","title":"Totolink NR1800X cstecgi.cgi loginAuth stack-based overflow","description":"A vulnerability was found in Totolink NR1800X 9.1.0u.6279_B20210910 and classified as critical. Affected by this issue is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-249854 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-01-09T07:31:03.195Z","modified":"2025-06-17T20:39:18.356Z","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":"cna"},{"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":"cna"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:35:34.170609Z"}],"euvd":[{"id":"EUVD-2023-59401","description":"A vulnerability was found in Totolink NR1800X 9.1.0u.6279_B20210910 and classified as critical. Affected by this issue is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-249854 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-01-09T07:31:03Z","modified":"2025-06-17T20:39:18Z","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"}],"updated_at":"2026-11-02T20:32:21.531807Z"}],"ghsa":[{"id":"GHSA-p9pw-8h32-73j5","title":"A vulnerability was found in Totolink NR1800X 9.1.0u.6279_B20210910 and classified as critical....","description":"A vulnerability was found in Totolink NR1800X 9.1.0u.6279_B20210910 and classified as critical. Affected by this issue is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-249854 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-01-09T09:30:29Z","modified":"2024-01-09T09:30:29Z","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"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:55:22.936224Z"}],"nvd":[{"id":"CVE-2023-7220","description":"A vulnerability was found in Totolink NR1800X 9.1.0u.6279_B20210910 and classified as critical. Affected by this issue is the function loginAuth of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument password leads to stack-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. VDB-249854 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-01-09T08:15:36.49Z","modified":"2026-06-17T06:52:20.557Z","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":"secondary"},{"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":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:09:00.788714Z"}]}}