{"id":"CVE-2017-6884","aliases":["EUVD-2017-15938","GHSA-x6r5-p9fx-6346"],"status":"published","title":"A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware...","description":"A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8. The vulnerability is located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute arbitrary commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.","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":"2026-11-07","score":0.32976,"percentile":0.98369,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":true,"fix_available":false},"cwes":["CWE-78"],"published":"2017-04-06T17:00:00Z","modified":"2026-10-01T19:17:13Z","kev":{"date_added":"2023-09-18","due_date":"2023-10-09","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Known"},"exploitation":[{"source":"euvd","since":"2023-09-18"},{"source":"kev","since":"2023-09-18"}],"exploits":[{"source":"exploitdb","id":"EDB-41782","title":"Zyxel_ EMG2926 \u003c V1.00(AAQT.4)b8 - OS Command Injection","type":"webapps","platform":"hardware","date":"2017-04-02","url":"https://www.exploit-db.com/exploits/41782"}],"products":[{"vendor":"zyxel","product":"emg2926 routers"},{"vendor":"zyxel","product":"emg2926_firmware"}],"references":[{"url":"https://www.exploit-db.com/exploits/41782/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6884","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-6884"},{"url":"https://www.exploit-db.com/exploits/41782"},{"url":"https://github.com/advisories/GHSA-x6r5-p9fx-6346"}],"sources":{"cve":[{"id":"CVE-2017-6884","description":"A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8. The vulnerability is located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute arbitrary commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.","status":"published","published":"2017-04-06T17:00:00Z","modified":"2026-10-01T18:18:55.567Z","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":"adp"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:33:16.916541Z"}],"euvd":[{"id":"EUVD-2017-15938","description":"A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8. The vulnerability is located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute arbitrary commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.","status":"published","published":"2017-04-06T17:00:00Z","modified":"2026-10-01T18:18:55Z","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"}],"exploited_since":"2023-09-18","updated_at":"2026-11-02T17:27:44.322377Z"}],"ghsa":[{"id":"GHSA-x6r5-p9fx-6346","title":"A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware...","description":"A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8. The vulnerability is located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute arbitrary commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.","status":"published","published":"2022-05-17T02:50:37Z","modified":"2025-10-22T00:31:20Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T15:04:03.556367Z"}],"kev":[{"id":"CVE-2017-6884","title":"Zyxel EMG2926 Routers Command Injection Vulnerability","description":"Zyxel EMG2926 routers contain a command injection vulnerability located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute malicious commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.","cwes":["CWE-78"],"kev":{"date_added":"2023-09-18","due_date":"2023-10-09","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Known"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2017-6884","description":"A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8. The vulnerability is located in the diagnostic tools, specifically the nslookup function. A malicious user may exploit numerous vectors to execute arbitrary commands on the router, such as the ping_ip parameter to the expert/maintenance/diagnostic/nslookup URI.","status":"published","published":"2017-04-06T17:59:00.163Z","modified":"2026-10-01T19:17:13.473Z","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":"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":"secondary"},{"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":"2026-11-02T14:03:44.86906Z"}]}}