{"id":"CVE-2020-25757","aliases":["EUVD-2020-18408","GHSA-7374-8xfw-v758"],"status":"published","title":"A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result...","description":"A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input being passed to system command APIs, resulting in arbitrary command execution with root privileges. This affects DSR-150, DSR-250, DSR-500, and DSR-1000AC with firmware 3.14 and 3.17.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02133,"percentile":0.82119,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-78"],"published":"2020-12-15T19:27:32Z","modified":"2026-06-17T03:07:15Z","products":[{"vendor":"dlink","product":"dsr-1000_firmware"},{"vendor":"dlink","product":"dsr-1000ac_firmware"},{"vendor":"dlink","product":"dsr-1000n_firmware"},{"vendor":"dlink","product":"dsr-150_firmware"},{"vendor":"dlink","product":"dsr-150n_firmware"},{"vendor":"dlink","product":"dsr-250_firmware"},{"vendor":"dlink","product":"dsr-250n_firmware"},{"vendor":"dlink","product":"dsr-500_firmware"},{"vendor":"dlink","product":"dsr-500ac_firmware"},{"vendor":"dlink","product":"dsr-500n_firmware"}],"references":[{"url":"https://www.dlink.com/en/security-bulletin","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10195","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://www.digitaldefense.com/news/zero-day-vuln-d-link-vpn-routers/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-25757"},{"url":"https://github.com/advisories/GHSA-7374-8xfw-v758"}],"sources":{"cve":[{"id":"CVE-2020-25757","description":"A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input being passed to system command APIs, resulting in arbitrary command execution with root privileges. This affects DSR-150, DSR-250, DSR-500, and DSR-1000AC with firmware 3.14 and 3.17.","status":"published","published":"2020-12-15T19:27:32Z","modified":"2024-08-04T15:40:36.937Z","updated_at":"2026-11-02T14:35:48.52216Z"}],"euvd":[{"id":"EUVD-2020-18408","description":"A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input being passed to system command APIs, resulting in arbitrary command execution with root privileges. This affects DSR-150, DSR-250, DSR-500, and DSR-1000AC with firmware 3.14 and 3.17.","status":"published","published":"2020-12-15T19:27:32Z","modified":"2024-08-04T15:40:36Z","updated_at":"2026-11-03T03:07:16.74035Z"}],"ghsa":[{"id":"GHSA-7374-8xfw-v758","title":"A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result...","description":"A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input being passed to system command APIs, resulting in arbitrary command execution with root privileges. This affects DSR-150, DSR-250, DSR-500, and DSR-1000AC with firmware 3.14 and 3.17.","status":"published","published":"2022-05-24T17:36:28Z","modified":"2023-01-29T05:05:02Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:45:41.669563Z"}],"nvd":[{"id":"CVE-2020-25757","description":"A lack of input validation and access controls in Lua CGIs on D-Link DSR VPN routers may result in arbitrary input being passed to system command APIs, resulting in arbitrary command execution with root privileges. This affects DSR-150, DSR-250, DSR-500, and DSR-1000AC with firmware 3.14 and 3.17.","status":"published","published":"2020-12-15T20:15:16.183Z","modified":"2026-06-17T03:07:15.15Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":8.3,"vector":"AV:A/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-20","CWE-78"],"updated_at":"2026-11-02T14:06:27.73474Z"}]}}