CVE-2018-5441
An Improper Validation of Integrity Check Value issue was discovered in PHOENIX CONTACT mGuard...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2018-5441- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-354, CWE-20
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2018-5441- Weakness
- CWE-354
- Updated
- 2026-11-02
EUVDEUVD-2018-17211 No score
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.
- Record
EUVD-2018-17211- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xgqm-f6fc-576h
An Improper Validation of Integrity Check Value issue was discovered in PHOENIX CONTACT mGuard...
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.
- Record
GHSA-xgqm-f6fc-576h- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
- phoenixcontact mguard centerport firmware
- phoenixcontact mguard core tx vpn firmware
- phoenixcontact mguard delta tx\/tx firmware
- phoenixcontact mguard delta tx\/tx vpn firmware
- phoenixcontact mguard gt\/gt firmware
- phoenixcontact mguard gt\/gt vpn firmware
- phoenixcontact mguard pci4000 vpn firmware
- phoenixcontact mguard pcie4000 vpn firmware
- phoenixcontact mguard rs2000 3g vpn firmware
- phoenixcontact mguard rs2000 4g vpn firmware
- phoenixcontact mguard rs2000 tx\/tx-b firmware
- phoenixcontact mguard rs2000 tx\/tx vpn firmware
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- phoenixcontact mguard rs2005 tx vpn firmware
- phoenixcontact mguard rs4000 3g vpn firmware
- phoenixcontact mguard rs4000 4g vpn firmware
- phoenixcontact mguard rs4000 tx\/tx-p firmware
- phoenixcontact mguard rs4000 tx\/tx firmware
- phoenixcontact mguard rs4000 tx\/tx vpn-m firmware
- phoenixcontact mguard rs4000 tx\/tx vpn firmware
- phoenixcontact mguard rs4004 tx\/dtx firmware
- phoenixcontact mguard rs4004 tx\/dtx vpn firmware
- phoenixcontact mguard smart2 firmware
- phoenixcontact mguard smart2 vpn firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-5441 is a high vulnerability (CVSS 7.8) in Phoenixcontact Mguard Centerport Firmware, published January 30, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. No source names a fixed version.