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

CVE-2017-11402

Description

An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance before 03.2.00. Design flaws in OPC classic and in custom netfilter modules allow an attacker to remotely activate rules on the firewall and to connect to any TCP port of a protected asset, thus bypassing the firewall. The attack methodology is a crafted OPC dynamic port shift.

AI Insight

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

Affected products

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: <03.2.00
Belden Hirschmann/Tofinollm-create
Range: <03.2.00

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

No linked articles in our index yet.

cvss	0.637
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000