CVE-2024-43391 8.1 high EPSS 0.5%
A low privileged remote attacker can perform configuration changes of the firewall services, including packet filter, packet forwarding, network access control or NAT through the FW_PORTFORWARDING.SRC_IP environment variable which can lead to a DoS.
Severity
CVSS 3.1 8.1 high CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HEnable JavaScript to see the metric table and diagram.
EPSS 0.5% chance of exploitation in the next 30 days; higher than 44% of CVEs (scores of 2026-10-31)
CWE CWE-94
Published 2024-09-10
Modified 2026-06-17
Record from the NVD, synced 2026-10-19 Affected phoenixcontact:fl_mguard_2102_firmware phoenixcontact:fl_mguard_2105_firmware phoenixcontact:fl_mguard_4102_pci_firmware phoenixcontact:fl_mguard_4102_pcie_firmware phoenixcontact:fl_mguard_4302_firmware phoenixcontact:fl_mguard_4305_firmware phoenixcontact:fl_mguard_centerport_vpn-1000_firmware phoenixcontact:fl_mguard_core_tx_firmware phoenixcontact:fl_mguard_core_tx_vpn_firmware phoenixcontact:fl_mguard_delta_tx\/tx_firmware phoenixcontact:fl_mguard_delta_tx\/tx_vpn_firmware phoenixcontact:fl_mguard_gt\/gt_firmware phoenixcontact:fl_mguard_gt\/gt_vpn_firmware phoenixcontact:fl_mguard_pci4000_firmware phoenixcontact:fl_mguard_pci4000_vpn_firmware phoenixcontact:fl_mguard_pcie4000_firmware phoenixcontact:fl_mguard_pcie4000_vpn_firmware phoenixcontact:fl_mguard_rs2000_tx\/tx-b_firmware phoenixcontact:fl_mguard_rs2000_tx\/tx_vpn_firmware phoenixcontact:fl_mguard_rs2005_tx_vpn_firmware phoenixcontact:fl_mguard_rs4000_tx\/tx-m_firmware phoenixcontact:fl_mguard_rs4000_tx\/tx-p_firmware phoenixcontact:fl_mguard_rs4000_tx\/tx_firmware phoenixcontact:fl_mguard_rs4000_tx\/tx_vpn_firmware phoenixcontact:fl_mguard_rs4004_tx\/dtx_firmware phoenixcontact:fl_mguard_rs4004_tx\/dtx_vpn_firmware phoenixcontact:fl_mguard_smart2_firmware phoenixcontact:fl_mguard_smart2_vpn_firmware phoenixcontact:tc_mguard_rs2000_3g_vpn_firmware phoenixcontact:tc_mguard_rs2000_4g_att_vpn_firmware phoenixcontact:tc_mguard_rs2000_4g_vpn_firmware phoenixcontact:tc_mguard_rs2000_4g_vzw_vpn_firmware phoenixcontact:tc_mguard_rs4000_3g_vpn_firmware phoenixcontact:tc_mguard_rs4000_4g_att_vpn_firmware phoenixcontact:tc_mguard_rs4000_4g_vpn_firmware phoenixcontact:tc_mguard_rs4000_4g_vzw_vpn_firmware References Check your stack JSON