An issue has been discovered on the Belden Hirschmann Tofino Xenon Security Appliance…
Priority MEDIUM 45Published · 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. 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.
Why it matters now
EPSS 0.01397 72nd 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-11401
- 2026-10-03 Alias added: GHSA-hm23-x227-wm9q
References
More Belden Tofino Xenon Security Appliance Firmware vulnerabilities
- TI-2017-08429 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
Sources
- CVE-2017-11401 · CVE Program
- CVE-2017-11401 · NVD
- FIRST EPSS
- GHSA-hm23-x227-wm9q · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences