{"id":"CVE-2017-6884","title":"A command injection vulnerability was discovered on the Zyxel EMG2926 home router with firmware V1.00(AAQT.4)b8","summary":"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 numer…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-78","CWE-78"],"vendor":"zyxel","product":"emg2926_firmware","affected":["emg2926_firmware = v1.00(aaqt.4)b8"],"published":"2017-04-06","updated":"2026-08-04","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2017-6884","references":[{"url":"https://www.exploit-db.com/exploits/41782/","label":"cve@mitre.org"},{"url":"https://www.exploit-db.com/exploits/41782/","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-6884","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd","kev","in-the-wild","exploit-available"],"epss":0.34367,"epssPercentile":0.9838,"kev":true,"kevDateAdded":"2023-09-18","kevDueDate":"2023-10-09","kevRansomware":true,"exploited":true,"exploitAvailable":true,"ingestedAt":"2026-08-04T05:36:12.037Z","exploits":{"exploitdb":true,"checkedAt":"2026-09-21T15:23:36.495Z"},"slug":"CVE-2017-6884","body":"## Overview\n\nA 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.\n\n## Affected\n\n- `emg2926_firmware = v1.00(aaqt.4)b8`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"abyssal","depthScore":85,"depthScoreParts":{"impact":48.4,"likelihood":6.9,"exploitation":25,"ransomware":5},"changes":[]}