Belden Hirschmann Tofino Xenon Security Appliance ModBus Packet Handling Vulnerability

CVE-2017-11401 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. Improper handling of the mbap.length field of ModBus packets in the ModBus DPI filter allows an attacker to send malformed/crafted packets to a protected asset, bypassing function code filtering.

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