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Vulnerability record · CVE-2024-7734 · published 10 September 2024

CVE-2024-7734: Phoenixcontact tc mguard rs4000 4g vzw vpn firmware allocation without limits vulnerability

Phoenixcontact · Tc Mguard Rs4000 4g Vzw Vpn Firmware

An unauthenticated remote attacker can exploit the behavior of the pathfinder TCP encapsulation service by establishing a high number of TCP connections to the pathfinder TCP encapsulation service. The impact is limited to blocking of valid IPsec VPN peers.

5.3 CVSS 3.1 Medium EPSS 0.48% · top 60.7% CWE-770 · Allocation without limits
5.3CVSS 3.1 base score
0.48%EPSS exploitation probability, 30 days
NoNot in CISA KEV
36Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

An unauthenticated remote attacker can exploit the behavior of the pathfinder TCP encapsulation service by establishing a high number of TCP connections to the pathfinder TCP encapsulation service. The impact is limited to blocking of valid IPsec VPN peers.

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

Affected products

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

References

LinkTags
https://cert.vde.com/en/advisories/VDE-2024-052 MitigationThird Party Advisory

Track CVE-2024-7734 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-2024-43386Phoenixcontact 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-2024-43385Phoenixcontact 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-2024-43388Phoenixcontact 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-2024-43391Phoenixcontact 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%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%

Source: NIST National Vulnerability Database (record CVE-2024-7734), CISA KEV, FIRST EPSS (scores of 2026-10-04). This page is refreshed as NVD updates the record.