Disclosure summary
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.
CISA remediation guidance
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Original records & references
PUBLISHED 2023-09-18T00:00:00-04:00
MODIFIED 2023-09-18T00:00:00-04:00
INGESTED 2026-10-06T11:42:58-04:00