{"id":"CVE-2021-20696","aliases":["EUVD-2021-8111","GHSA-6m5x-4wq8-j6qg"],"status":"published","title":"DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to execute...","description":"DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to execute arbitrary OS commands by sending a specially crafted request to a specific CGI program.","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":"2026-11-10","score":0.02399,"percentile":0.84157,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2021-04-26T00:20:42Z","modified":"2026-06-17T03:34:16Z","products":[{"vendor":"d-link japan k.k.","product":"dap-1880ac"},{"vendor":"dlink","product":"dap-1880ac_firmware"}],"references":[{"url":"https://www.dlink-jp.com/support/release/jvnvu92898656_dap-1880ac.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://jvn.jp/en/vu/JVNVU92898656/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20696"},{"url":"https://github.com/advisories/GHSA-6m5x-4wq8-j6qg"}],"sources":{"cve":[{"id":"CVE-2021-20696","description":"DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to execute arbitrary OS commands by sending a specially crafted request to a specific CGI program.","status":"published","published":"2021-04-26T00:20:42Z","modified":"2024-08-03T17:45:45.503Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-8111","description":"DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to execute arbitrary OS commands by sending a specially crafted request to a specific CGI program.","status":"published","published":"2021-04-26T00:20:42Z","modified":"2024-08-03T17:45:45Z","updated_at":"2026-11-03T03:25:08.33351Z"}],"ghsa":[{"id":"GHSA-6m5x-4wq8-j6qg","title":"DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to execute...","description":"DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to execute arbitrary OS commands by sending a specially crafted request to a specific CGI program.","status":"published","published":"2022-05-24T17:48:53Z","modified":"2023-01-29T05:06:31Z","cwes":["CWE-78"],"updated_at":"2026-11-02T14:46:02.943866Z"}],"nvd":[{"id":"CVE-2021-20696","description":"DAP-1880AC firmware version 1.21 and earlier allows a remote authenticated attacker to execute arbitrary OS commands by sending a specially crafted request to a specific CGI program.","status":"published","published":"2021-04-26T01:15:07.893Z","modified":"2026-06-17T03:34:16.367Z","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":"2026-11-02T14:06:52.81233Z"}]}}