ZDI-26-506: (Pwn2Own) Phoenix Contact CHARX SEC-3150 Insertion of Sensitive Information into Log File Authentication Bypass Vulnerability
Published Jul 30, 2026
·Updated
This vulnerability allows network-adjacent attackers to bypass authentication 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 5.3. The following CVEs are assigned: CVE-2026-44105.
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
1
What is the severity of ZDI-26-506?
The severity of ZDI-26-506 is rated at 5.3 on the CVSS scale.
2
How do I fix ZDI-26-506?
To fix ZDI-26-506, ensure that all devices are updated to the latest firmware provided by Phoenix Contact.
3
What type of vulnerability is ZDI-26-506?
ZDI-26-506 is an authentication bypass vulnerability that allows attackers to exploit affected devices without authentication.
4
Which devices are affected by ZDI-26-506?
ZDI-26-506 affects the Phoenix Contact CHARX SEC-3150 devices.
5
Is any authentication required to exploit ZDI-26-506?
No, authentication is not required to exploit ZDI-26-506.