{"id":"CVE-2022-40740","aliases":["EUVD-2022-44008","GHSA-h56c-fjpj-2m9w"],"status":"published","title":"Realtek GPON router - Command Injection","description":"Realtek GPON router has insufficient filtering for special characters. A remote attacker authenticated as an administrator can exploit this vulnerability to perform command injection attacks, to execute arbitrary system command, manipulate system or disrupt service.","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":"2026-11-09","score":0.01508,"percentile":0.74592,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2023-01-03T00:00:00Z","modified":"2026-06-17T05:01:57Z","products":[{"vendor":"realtek","product":"gpon router"},{"vendor":"realtek","product":"usdk"},{"vendor":"realtek","product":"xpon_software_development_kit"}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-6831-19121-1.html","tags":["x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-40740"},{"url":"https://github.com/advisories/GHSA-h56c-fjpj-2m9w"}],"sources":{"cve":[{"id":"CVE-2022-40740","title":"Realtek GPON router - Command Injection","description":"Realtek GPON router has insufficient filtering for special characters. A remote attacker authenticated as an administrator can exploit this vulnerability to perform command injection attacks, to execute arbitrary system command, manipulate system or disrupt service.","status":"published","published":"2023-01-03T00:00:00Z","modified":"2025-04-10T18:01:11.936Z","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"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:34:30.842561Z"}],"euvd":[{"id":"EUVD-2022-44008","description":"Realtek GPON router has insufficient filtering for special characters. A remote attacker authenticated as an administrator can exploit this vulnerability to perform command injection attacks, to execute arbitrary system command, manipulate system or disrupt service.","status":"published","published":"2023-01-03T00:00:00Z","modified":"2025-04-10T18:01:11Z","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":"2026-11-02T20:52:35.819125Z"}],"ghsa":[{"id":"GHSA-h56c-fjpj-2m9w","title":"Realtek GPON router has insufficient filtering for special characters. A remote attacker...","description":"Realtek GPON router has insufficient filtering for special characters. A remote attacker authenticated as an administrator can exploit this vulnerability to perform command injection attacks, to execute arbitrary system command, manipulate system or disrupt service.","status":"published","published":"2023-01-03T03:30:20Z","modified":"2023-02-02T05:01:15Z","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-78"],"updated_at":"2026-11-02T14:51:09.214606Z"}],"nvd":[{"id":"CVE-2022-40740","description":"Realtek GPON router has insufficient filtering for special characters. A remote attacker authenticated as an administrator can exploit this vulnerability to perform command injection attacks, to execute arbitrary system command, manipulate system or disrupt service.","status":"published","published":"2023-01-03T03:15:09.96Z","modified":"2026-06-17T05:01:57.617Z","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"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:07:34.758863Z"}]}}