CVE-2017-6884β€”Zyxel EMG2926 Routers Command Injection Vulnerability

PUBLISHEDvulnerability record
2023-09-18 Β· last modified June 21, 2025

Metadata

CVE ID:
CVE-2017-6884
Project:
Zyxel
Product:
EMG2926 Routers
Date Added:
2023-09-18
Due Date:
2023-10-09
Last Updated:
June 21, 2025

Vulnerability Name

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.

Known To Be Used in Ransomware Campaigns?

Ransomware Status:
KNOWN

Action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Additional Notes

  • https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-vulnerability-in-emg2926-q10a-ethernet-cpe, https://www.zyxelguard.com/Zyxel-EOL.asp
  • https://nvd.nist.gov/vuln/detail/CVE-2017-6884

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