CVE-2026-84411
RouterOS Web Management Integer Underflow Leads to Unauthenticated Code Execution
Halo Surface Signal: 5 out of 5 — more likely to be public-facing.
An integer underflow vulnerability exists in the web management service of RouterOS, allowing unauthenticated network attackers to achieve arbitrary code execution or denial of service. This is a critical concern for network and security teams responsible for device administration, requiring confirmation of the technol