CVE-2017-6884 — Zyxel EMG2926 Routers Command Injection Vulnerability
CVE-2017-6884: Zyxel EMG2926 Routers Command Injection Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Zyxel |
| Product | EMG2926 Routers |
| Date added | 2023-09-18 |
| Due date | 2023-10-09 |
| Ransomware campaign use | Known |
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.
Required action (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-6884
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog