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Vulnerability record · CVE-2024-43390 · published 10 September 2024

CVE-2024-43390: Phoenixcontact tc mguard rs4000 4g vzw vpn firmware code injection vulnerability

Phoenixcontact · Tc Mguard Rs4000 4g Vzw Vpn Firmware

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.

8.1 CVSS 3.1 High EPSS 0.52% · top 58.3% CWE-94 · Code injection
8.1CVSS 3.1 base score
0.52%EPSS exploitation probability, 30 days
NoNot in CISA KEV
36Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Affected products

36 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://cert.vde.com/en/advisories/VDE-2024-039 Third Party Advisory

Track CVE-2024-43390 inside VULONE

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2024-7699Phoenixcontact tc mguard rs4000 4g vzw vpn firmware os command injection vulnerabilityAn low privileged remote attacker can execute OS commands with root privileges due to improper neutralization of special elements in user data.EPSS 0.76%8.8CVE-2024-43385Phoenixcontact tc mguard rs4000 4g vzw vpn firmware os command injection vulnerabilityA low privileged remote attacker can trigger the execution of arbitrary OS commands as root due to improper neutralization of special elements in the…EPSS 0.74%8.8CVE-2024-43386Phoenixcontact tc mguard rs4000 4g vzw vpn firmware os command injection vulnerabilityA low privileged remote attacker can trigger the execution of arbitrary OS commands as root due to improper neutralization of special elements in the…EPSS 0.74%8.8CVE-2024-43387Phoenixcontact tc mguard rs4000 4g vzw vpn firmware os command injection vulnerabilityA low privileged remote attacker can read and write files as root due to improper neutralization of special elements in the variable EMAIL_RELAY_PASS…EPSS 0.57%8.8CVE-2024-43388Phoenixcontact tc mguard rs4000 4g vzw vpn firmware code injection vulnerabilityA low privileged remote attacker with write permissions can reconfigure the SNMP service due to improper input validation.EPSS 0.57%8.1CVE-2024-43393Phoenixcontact tc mguard rs4000 4g vzw vpn firmware code injection vulnerabilityA low privileged remote attacker can perform configuration changes of the firewall services, including packet filter, packet forwarding, network acce…EPSS 0.52%8.1CVE-2024-43389Phoenixcontact tc mguard rs4000 4g vzw vpn firmware code injection vulnerabilityA low privileged remote attacker can perform configuration changes of the ospf service through OSPF_INTERFACE.SIMPLE_KEY, OSPF_INTERFACE.DIGEST_KEY e…EPSS 0.52%8.1CVE-2024-43391Phoenixcontact tc mguard rs4000 4g vzw vpn firmware code injection vulnerabilityA low privileged remote attacker can perform configuration changes of the firewall services, including packet filter, packet forwarding, network acce…EPSS 0.52%

Source: NIST National Vulnerability Database (record CVE-2024-43390), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.