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Vulnerability record · CVE-2024-6788 · published 13 August 2024

CVE-2024-6788: Phoenixcontact charx sec-3000 firmware vulnerability

Phoenixcontact · Charx Sec 3000 Firmware

A remote unauthenticated attacker can use the firmware update feature on the LAN interface of the device to reset the password for the predefined, low-privileged user “user-app” to the default password.

9.8 CVSS 3.1 Critical EPSS 0.50% · top 59.5% CWE-1392 · CWE-1392
9.8CVSS 3.1 base score
0.50%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

Description

A remote unauthenticated attacker can use the firmware update feature on the LAN interface of the device to reset the password for the predefined, low-privileged user “user-app” to the default password.

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

Affected products

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

References

LinkTags
https://cert.vde.com/en/advisories/VDE-2024-022 Third Party Advisory

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Related vulnerabilities

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

9.8CVE-2025-25270Phoenixcontact charx sec-3000 firmware improper control of dynamically-managed code vulnerabilityAn unauthenticated remote attacker can alter the device configuration in a way to get remote code execution as root with specific configurations.EPSS 0.65%9.8CVE-2024-26001Phoenixcontact charx sec-3000 firmware out-of-bounds write vulnerabilityAn unauthenticated remote attacker can write memory out of bounds due to improper input validation in the MQTT stack. The brute force attack is not a…EPSS 0.87%9.8CVE-2024-25995Phoenixcontact charx sec-3000 firmware improper input validation vulnerabilityAn unauthenticated remote attacker can modify configurations to perform a remote code execution, gain root rights or perform an DoS due to improper i…EPSS 1.4%9.8CVE-2024-25996Phoenixcontact charx sec-3000 firmware origin validation error vulnerabilityAn unauthenticated remote attacker can perform a remote code execution due to an origin validation error. The access is limited to the service user.EPSS 0.39%8.8CVE-2025-25271Phoenixcontact charx sec-3000 firmware insecure default initialization vulnerabilityAn unauthenticated adjacent attacker is able to configure a new OCPP backend, due to insecure defaults for the configuration interface.EPSS 0.29%8.8CVE-2025-25268Phoenixcontact charx sec-3000 firmware missing authentication for critical function vulnerabilityAn unauthenticated adjacent attacker can modify configuration by sending specific requests to an API-endpoint resulting in read and write access due …EPSS 0.30%8.7CVE-2024-26288Phoenixcontact charx sec-3000 firmware cleartext transmission vulnerabilityAn unauthenticated remote attacker can influence the communication due to the lack of encryption of sensitive data via a MITM. Charging is not affect…EPSS 0.31%8.4CVE-2025-25269Phoenixcontact charx sec-3000 firmware os command injection vulnerabilityAn unauthenticated local attacker can inject a command that is subsequently executed as root, leading to a privilege escalation.EPSS 0.25%

Source: NIST National Vulnerability Database (record CVE-2024-6788), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.