CVE-2017-6884 · netVigilance record NV23-0132
Zyxel EMG2926 Routers Command Injection
past due ransomware
What to do
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
CISA deadline 2023-10-09 · passed 2 years 11 months ago · applies to US federal civilian agencies; used elsewhere as a reference SLA
What happened
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.
Who is affected
Zyxel EMG2926 Routers. Affected version ranges are listed in the vendor advisory and the NVD entry linked under Sources.
Weakness class: CWE-78.
Timeline
- Added to CISA KEVExploitation in the wild confirmed by CISA
- CISA remediation deadlinepassed 2 years 11 months ago
Sources
- NVD entry for CVE-2017-6884 nvd.nist.gov/vuln/detail/CVE-2017-6884
- CISA Known Exploited Vulnerabilities catalog www.cisa.gov/known-exploited-vulnerabilities-catalog
- zyxel.com www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-command-injection-vulnerability-in-emg2926-q10a-ethernet-cpe
- zyxelguard.com www.zyxelguard.com/Zyxel-EOL.asp
- nvd.nist.gov nvd.nist.gov/vuln/detail/CVE-2017-6884