{"id":"CVE-2024-0997","aliases":["EUVD-2024-16774","GHSA-5jgq-vcw8-3624"],"status":"published","title":"Totolink N200RE cstecgi.cgi setOpModeCfg stack-based overflow","description":"A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. Affected by this issue is the function setOpModeCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument pppoeUser 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-252266 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":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0125,"percentile":0.69617,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121"],"published":"2024-01-29T12:31:03Z","modified":"2026-06-17T06:54:43Z","products":[{"vendor":"totolink","product":"n200re"},{"vendor":"totolink","product":"n200re_firmware"}],"references":[{"url":"https://vuldb.com/?id.252266","tags":["vdb-entry","technical-description","x_transferred","Third Party Advisory"]},{"url":"https://vuldb.com/?ctiid.252266","tags":["signature","permissions-required","x_transferred","Third Party Advisory"]},{"url":"https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setOpModeCfg-9faac02b13d84bd3b7fe84aab68c7add?pvs=4","tags":["exploit","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-0997"},{"url":"https://github.com/advisories/GHSA-5jgq-vcw8-3624"}],"sources":{"cve":[{"id":"CVE-2024-0997","title":"Totolink N200RE cstecgi.cgi setOpModeCfg stack-based overflow","description":"A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. Affected by this issue is the function setOpModeCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument pppoeUser 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-252266 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":"2024-01-29T12:31:03.782Z","modified":"2024-09-05T17:53:34.564Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"},{"version":"3.0","score":7.2,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"},{"version":"2.0","score":8.3,"vector":"AV:N/AC:L/Au:M/C:C/I:C/A:C","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:34:22.852179Z"}],"euvd":[{"id":"EUVD-2024-16774","description":"A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. Affected by this issue is the function setOpModeCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument pppoeUser 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-252266 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":"2024-01-29T12:31:03Z","modified":"2024-09-05T17:53:34Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:56:03.195853Z"}],"ghsa":[{"id":"GHSA-5jgq-vcw8-3624","title":"A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical....","description":"A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. Affected by this issue is the function setOpModeCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument pppoeUser 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-252266 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":"2024-01-29T15:30:26Z","modified":"2024-01-29T15:30:26Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:55:30.137349Z"}],"nvd":[{"id":"CVE-2024-0997","description":"A vulnerability was found in Totolink N200RE 9.3.5u.6139_B20201216 and classified as critical. Affected by this issue is the function setOpModeCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument pppoeUser 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-252266 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":"2024-01-29T13:15:08.127Z","modified":"2026-06-17T06:54:43.837Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":8.3,"vector":"AV:N/AC:L/Au:M/C:C/I:C/A:C","level":"high","assessor":"secondary"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:09:32.147098Z"}]}}