Critical severity9.8NVD Advisory· Published Nov 20, 2017· Updated Jun 17, 2026

CVE-2017-11401

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Airbus Seclab/Security Advisoriesreferences
Belden Hirschmann/Tofino Xenon Security Appliance Firmware2 versions
cpe:2.3:o:belden:tofino_xenon_security_appliance_firmware:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:belden:tofino_xenon_security_appliance_firmware:*:*:*:*:*:*:*:*range: <=3.1.0
- (no CPE)range: <03.02.00

Patches

Vulnerability mechanics

References

github.com/airbus-seclab/security-advisories/blob/master/belden/tofino.txtnvdThird Party Advisory
www.belden.com/hubfs/support/security/bulletins/Belden-Security-Bulletin-BSECV-2017-14-1v1-1.pdfnvdVendor Advisory

News mentions

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