Phoenixcontact Tc Mguard RS4000 4g VPN Firmware vulnerabilities

15 CVEs affecting Phoenixcontact Tc Mguard RS4000 4g VPN Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2024-43384, published 2026-05-07.

More from Phoenixcontact.

Highest priority

Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2022-3480, published 2022-11-15. High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days. A remote, unauthenticated attacker could cause a denial-of-service of PHOENIX CONTACT FL MGUARD and TC MGUARD devices below version 8.9.0 by sending a larger number of unauthenticated HTTPS…
• CVE-2020-12523, published 2020-12-17. Critical severity, CVSS 9.1. EPSS: 0.9% chance of exploitation in the next 30 days. On Phoenix Contact mGuard Devices versions before 8.8.3 LAN ports get functional after reboot even if they are disabled in the device configuration. For mGuard devices with integrated switch on the…
• CVE-2024-7699, published 2024-09-10. High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days. An low privileged remote attacker can execute OS commands with root privileges due to improper neutralization of special elements in user data.
• CVE-2024-43386, published 2024-09-10. High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days. A low privileged remote attacker can trigger the execution of arbitrary OS commands as root due to improper neutralization of special elements in the variable EMAIL_NOTIFICATION.TO in mGuard devices.
• CVE-2024-43385, published 2024-09-10. High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days. A low privileged remote attacker can trigger the execution of arbitrary OS commands as root due to improper neutralization of special elements in the variable PROXY_HTTP_PORT in mGuard devices.
• CVE-2024-43388, published 2024-09-10. High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days. A low privileged remote attacker with write permissions can reconfigure the SNMP service due to improper input validation.
• CVE-2024-43387, published 2024-09-10. High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days. A low privileged remote attacker can read and write files as root due to improper neutralization of special elements in the variable EMAIL_RELAY_PASSWORD in mGuard devices.
• CVE-2024-43393, published 2024-09-10. High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days. 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_INCOMING.FROM_IP…
• CVE-2024-43392, published 2024-09-10. High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days. 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_INCOMING.FROM_IP…
• CVE-2024-43391, published 2024-09-10. High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days. 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…

Latest

• CVE-2024-43384, published 2026-05-07. High severity, CVSS 8.0. EPSS: 0.3% chance of exploitation in the next 30 days. A low privileged remote attacker can gain the root password due to improper removal of sensitive information before storage or transfer.
• CVE-2024-7698, published 2024-09-10. Medium severity, CVSS 5.7. EPSS: 0.4% chance of exploitation in the next 30 days. A low privileged remote attacker can get access to CSRF tokens of higher privileged users which can be abused to mount CSRF attacks.
• CVE-2024-43390, published 2024-09-10. High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days. A low privileged remote attacker can perform configuration changes of the firewall services, including packet forwarding or NAT through the FW_NAT.IN_IP environment variable which can lead to a DoS.
• CVE-2024-43389, published 2024-09-10. High severity, CVSS 8.1. EPSS: 0.5% chance of exploitation in the next 30 days. A low privileged remote attacker can perform configuration changes of the ospf service through OSPF_INTERFACE.SIMPLE_KEY, OSPF_INTERFACE.DIGEST_KEY environment variables which can lead to a DoS.