ZDI-CAN-29091: ZDI-26-509: (Pwn2Own) Phoenix Contact CHARX SEC-3150 OCPP Missing Authentication for Critical Function Authentication Bypass Vulnerability

Published Jul 30, 2026

Updated

This vulnerability allows network-adjacent attackers to modify configuration on affected installations of Phoenix Contact CHARX SEC-3150 devices. Authentication is not required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 5.0. The following CVEs are assigned: CVE-2026-44101.

Affected Software

1 affected component

Phoenix Contact CHARX SEC-3150

Event History

Jul 30, 2026

Advisory Published

via ZDI·05:00 AM

Data Sourced

via ZDI·05:00 AM

Description

Frequently Asked Questions

What is the severity of ZDI-CAN-29091?

The severity of ZDI-CAN-29091 is rated at 5.0 according to the CVSS scale.

How do I fix ZDI-CAN-29091?

To fix ZDI-CAN-29091, you need to apply available security patches provided by Phoenix Contact.

What devices are affected by ZDI-CAN-29091?

The devices affected by ZDI-CAN-29091 are the Phoenix Contact CHARX SEC-3150.

What type of vulnerability is ZDI-CAN-29091?

ZDI-CAN-29091 is an authentication bypass vulnerability that allows attackers to modify configurations.

Can ZDI-CAN-29091 be exploited remotely?

Yes, ZDI-CAN-29091 can be exploited by network-adjacent attackers without the need for authentication.