{"id":"CVE-2021-20159","aliases":["EUVD-2021-7616","GHSA-x7qm-wgfg-3vpc"],"status":"published","title":"Trendnet AC2600 TEW-827DRU version 2.08B01 is vulnerable to command injection. The system log...","description":"Trendnet AC2600 TEW-827DRU version 2.08B01 is vulnerable to command injection. The system log functionality of the firmware allows for command injection as root by supplying a malformed parameter.","severity":{"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","from":"nvd"},"epss":{"day":"2026-11-09","score":0.03109,"percentile":0.87881,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77","CWE-78"],"published":"2021-12-30T21:31:04Z","modified":"2026-06-17T03:33:23Z","products":[{"vendor":"trendnet","product":"tew-827dru_firmware"}],"references":[{"url":"https://www.tenable.com/security/research/tra-2021-54","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20159"},{"url":"https://github.com/advisories/GHSA-x7qm-wgfg-3vpc"}],"sources":{"cve":[{"id":"CVE-2021-20159","description":"Trendnet AC2600 TEW-827DRU version 2.08B01 is vulnerable to command injection. The system log functionality of the firmware allows for command injection as root by supplying a malformed parameter.","status":"published","published":"2021-12-30T21:31:04Z","modified":"2024-08-03T17:30:07.576Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-7616","description":"Trendnet AC2600 TEW-827DRU version 2.08B01 is vulnerable to command injection. The system log functionality of the firmware allows for command injection as root by supplying a malformed parameter.","status":"published","published":"2021-12-30T21:31:04Z","modified":"2024-08-03T17:30:07Z","updated_at":"2026-11-03T03:25:09.841069Z"}],"ghsa":[{"id":"GHSA-x7qm-wgfg-3vpc","title":"Trendnet AC2600 TEW-827DRU version 2.08B01 is vulnerable to command injection. The system log...","description":"Trendnet AC2600 TEW-827DRU version 2.08B01 is vulnerable to command injection. The system log functionality of the firmware allows for command injection as root by supplying a malformed parameter.","status":"published","published":"2021-12-31T00:00:30Z","modified":"2023-01-27T05:01:27Z","cvss":[{"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"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:41:53.704212Z"}],"nvd":[{"id":"CVE-2021-20159","description":"Trendnet AC2600 TEW-827DRU version 2.08B01 is vulnerable to command injection. The system log functionality of the firmware allows for command injection as root by supplying a malformed parameter.","status":"published","published":"2021-12-30T22:15:09.06Z","modified":"2026-06-17T03:33:23.43Z","cvss":[{"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":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:07:02.977492Z"}]}}