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TI-2017-08429 Aliases CVE-2017-11402GHSA-g5fp-55mr-fxj5

An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance…

Priority MEDIUM 45CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

EPSS 0.01545 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:belden:tofino_xenon_security_appliance_firmware:*:*:*:*:*:*:*:*up to 3.1.0VulnerableBelden
cpe:2.3:h:belden:tofino_xenon_security_appliance:-:*:*:*:*:*:*:*not specified by NVDRunning onBelden
  • cpe:2.3:o:belden:tofino_xenon_security_appliance_firmware:*:*:*:*:*:*:*:* Versions up to 3.1.0 Vulnerable ·Belden
  • cpe:2.3:h:belden:tofino_xenon_security_appliance:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Belden

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-11402
  2. 2026-10-03 Alias added: GHSA-g5fp-55mr-fxj5

References

Advisory 2

  • TI-2017-08428 An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance… CVSS 3.0CRITICAL 9.8
  • TI-2021-10646 On Schneider Electric ConneXium Tofino Firewall TCSEFEA23F3F22 before 03.23… CVSS 3.1CRITICAL 9.8
  • TI-2021-10647 On Schneider Electric ConneXium Tofino Firewall TCSEFEA23F3F22 before 03.23… CVSS 3.1HIGH 7.5
  • TI-2021-10645 On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino… CVSS 3.1HIGH 7.5
  • TI-2021-10644 On Schneider Electric ConneXium Tofino OPCLSM TCSEFM0000 before 03.23 and Belden Tofino… CVSS 3.1HIGH 7.5
  • TI-2021-10648 On Schneider Electric ConneXium Tofino Firewall TCSEFEA23F3F22 before 03.23… CVSS 3.1MEDIUM 6.8
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences