CVE-2017-11401

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.0 9.8/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

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

Timeline

Published: Nov 20, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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