{"id":"CVE-2023-31447","aliases":["EUVD-2023-35755","GHSA-wpv3-j7wc-292j"],"status":"published","title":"user_login.cgi on Draytek Vigor2620 devices before 3.9.8.4 (and on all versions of Vigor2925...","description":"user_login.cgi on Draytek Vigor2620 devices before 3.9.8.4 (and on all versions of Vigor2925 devices) allows attackers to send a crafted payload to modify the content of the code segment, insert shellcode, and execute arbitrary code.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0094,"percentile":0.61232,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2023-08-21T00:00:00Z","modified":"2026-06-17T05:56:58Z","products":[{"vendor":"draytek","product":"vigor2620"},{"vendor":"draytek","product":"vigor2620_firmware"},{"vendor":"draytek","product":"vigor2625_firmware"}],"references":[{"url":"https://draytek.com","tags":["x_transferred","Product"]},{"url":"https://gist.github.com/rrrrrrri/013c9eef64b265af4163478bfcf29ff4","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-31447"},{"url":"https://github.com/advisories/GHSA-wpv3-j7wc-292j"}],"sources":{"cve":[{"id":"CVE-2023-31447","description":"user_login.cgi on Draytek Vigor2620 devices before 3.9.8.4 (and on all versions of Vigor2925 devices) allows attackers to send a crafted payload to modify the content of the code segment, insert shellcode, and execute arbitrary code.","status":"published","published":"2023-08-21T00:00:00Z","modified":"2024-10-07T17:19:37.998Z","cwes":["CWE-94"],"updated_at":"2026-11-02T14:35:27.430605Z"}],"euvd":[{"id":"EUVD-2023-35755","description":"user_login.cgi on Draytek Vigor2620 devices before 3.9.8.4 (and on all versions of Vigor2925 devices) allows attackers to send a crafted payload to modify the content of the code segment, insert shellcode, and execute arbitrary code.","status":"published","published":"2023-08-21T00:00:00Z","modified":"2024-10-07T17:19:37Z","updated_at":"2026-11-03T00:27:46.330731Z"}],"ghsa":[{"id":"GHSA-wpv3-j7wc-292j","title":"user_login.cgi on Draytek Vigor2620 devices before 3.9.8.4 (and on all versions of Vigor2925...","description":"user_login.cgi on Draytek Vigor2620 devices before 3.9.8.4 (and on all versions of Vigor2925 devices) allows attackers to send a crafted payload to modify the content of the code segment, insert shellcode, and execute arbitrary code.","status":"published","published":"2023-08-21T18:31:23Z","modified":"2024-10-07T21:33:28Z","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-94"],"updated_at":"2026-11-02T14:58:25.780996Z"}],"nvd":[{"id":"CVE-2023-31447","description":"user_login.cgi on Draytek Vigor2620 devices before 3.9.8.4 (and on all versions of Vigor2925 devices) allows attackers to send a crafted payload to modify the content of the code segment, insert shellcode, and execute arbitrary code.","status":"published","published":"2023-08-21T17:15:46.847Z","modified":"2026-06-17T05:56:58.58Z","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":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:08:24.487686Z"}]}}