What’s Vulnerable › Vulnerabilities

CVE-2024-6788: Phoenix Contact: update feature from CHARX controller can be used to reset a low privilege user password

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-08-13 · updated 2026-06-17
• Weakness: CWE-1392

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.

Affected products

• Phoenixcontact Charx Sec-3000 Firmware: before 1.6.3 — fixed in 1.6.3
• Phoenixcontact Charx Sec-3050 Firmware: before 1.6.3 — fixed in 1.6.3
• Phoenixcontact Charx Sec-3100 Firmware: before 1.6.3 — fixed in 1.6.3
• Phoenixcontact Charx Sec-3150 Firmware: before 1.6.3 — fixed in 1.6.3

How to fix

Upgrade to a fixed version: Phoenixcontact Charx Sec-3000 Firmware 1.6.3; Phoenixcontact Charx Sec-3050 Firmware 1.6.3; Phoenixcontact Charx Sec-3100 Firmware 1.6.3; Phoenixcontact Charx Sec-3150 Firmware 1.6.3. Check the vendor advisory for mitigations.

References

• https://cert.vde.com/en/advisories/VDE-2024-022

Get alerted when CVE-2024-6788 or the next vulnerability affects your stack