Improper input validation in PHOENIX CONTACT mGuard
Priority LOW 34CWE-354Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- 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 Improper Validation of Integrity Check Value issue was discovered in PHOENIX CONTACT mGuard firmware versions 7.2 to 8.6.0. mGuard devices rely on internal checksums for verification of the internal integrity of the update packages. Verification may not always be performed correctly, allowing an attacker to modify firmware update packages.
Why it matters now
EPSS 0.00283 20th 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 |
|---|---|---|---|---|---|
| — | PHOENIX CONTACT mGuard | PHOENIX CONTACT mGuard | — | No fix listed | CNA |
- PHOENIX CONTACT mGuard Vendor— Affected PHOENIX CONTACT mGuard Fixed in — No fix listed CNA
CPE configurations NVD · 46
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:phoenixcontact:mguard_centerport_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_centerport:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_delta_tx\/tx_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_delta_tx\/tx:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_delta_tx\/tx_vpn_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_delta_tx\/tx_vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_gt\/gt_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_gt\/gt:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_gt\/gt_vpn_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_gt\/gt_vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
- cpe:2.3:o:phoenixcontact:mguard_centerport_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_centerport:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_delta_tx\/tx_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_delta_tx\/tx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_delta_tx\/tx_vpn_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_delta_tx\/tx_vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_gt\/gt_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_gt\/gt:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_gt\/gt_vpn_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_gt\/gt_vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
Show 36 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:phoenixcontact:mguard_pci4000_vpn_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_pci4000_vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_pcie4000_vpn_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_pcie4000_vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_rs2000_tx\/tx_vpn_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_rs2000_tx\/tx_vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_rs2000_tx\/tx-b_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_rs2000_tx\/tx-b:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_rs2005_tx_vpn_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_rs2005_tx_vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_rs4000_tx\/tx_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_rs4000_tx\/tx:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_rs4000_tx\/tx_vpn_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_rs4000_tx\/tx_vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_rs4000_tx\/tx_vpn-m_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_rs4000_tx\/tx_vpn-m:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_rs4000_tx\/tx-p_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_rs4000_tx\/tx-p:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_rs4004_tx\/dtx_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_rs4004_tx\/dtx:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_rs4004_tx\/dtx_vpn_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_rs4004_tx\/dtx_vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_smart2_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_smart2:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_smart2_vpn_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_smart2_vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_rs2000_3g_vpn_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_rs2000_3g_vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_rs4000_3g_vpn_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_rs4000_3g_vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_core_tx_vpn_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_core_tx_vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_rs2000_4g_vpn_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_rs2000_4g_vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
| cpe:2.3:o:phoenixcontact:mguard_rs4000_4g_vpn_firmware:*:*:*:*:*:*:*:* | 7.2.0 – 8.6.0 | Vulnerable | Phoenixcontact |
| cpe:2.3:h:phoenixcontact:mguard_rs4000_4g_vpn:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Phoenixcontact |
- cpe:2.3:o:phoenixcontact:mguard_pci4000_vpn_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_pci4000_vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_pcie4000_vpn_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_pcie4000_vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_rs2000_tx\/tx_vpn_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_rs2000_tx\/tx_vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_rs2000_tx\/tx-b_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_rs2000_tx\/tx-b:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_rs2005_tx_vpn_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_rs2005_tx_vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_rs4000_tx\/tx_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_rs4000_tx\/tx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_rs4000_tx\/tx_vpn_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_rs4000_tx\/tx_vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_rs4000_tx\/tx_vpn-m_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_rs4000_tx\/tx_vpn-m:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_rs4000_tx\/tx-p_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_rs4000_tx\/tx-p:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_rs4004_tx\/dtx_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_rs4004_tx\/dtx:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_rs4004_tx\/dtx_vpn_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_rs4004_tx\/dtx_vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_smart2_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_smart2:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_smart2_vpn_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_smart2_vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_rs2000_3g_vpn_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_rs2000_3g_vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_rs4000_3g_vpn_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_rs4000_3g_vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_core_tx_vpn_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_core_tx_vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_rs2000_4g_vpn_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_rs2000_4g_vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
- cpe:2.3:o:phoenixcontact:mguard_rs4000_4g_vpn_firmware:*:*:*:*:*:*:*:* Versions 7.2.0 – 8.6.0 Vulnerable ·Phoenixcontact
- cpe:2.3:h:phoenixcontact:mguard_rs4000_4g_vpn:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Phoenixcontact
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-5441
- 2026-10-03 Alias added: GHSA-xgqm-f6fc-576h
References
Sources
- CVE-2018-5441 · CVE Program
- CVE-2018-5441 · NVD
- FIRST EPSS
- GHSA-xgqm-f6fc-576h · 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