CVSS 3.0
7.8 highCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCVE-2018-5441
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.
Severity
- EPSS
- 0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-20, CWE-354
- Published
- Modified
- Record from
- the NVD, synced
Affected
- 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
- 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