ZDI-26-514: (Pwn2Own) Phoenix Contact CHARX SEC-3150 Failing Open 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 7.5. The following CVEs are assigned: CVE-2026-44094.
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-26-514?
ZDI-26-514 has a CVSS rating of 7.5, indicating a high severity level.
2
How do I fix ZDI-26-514?
To fix ZDI-26-514, update the firmware of the affected Phoenix Contact CHARX SEC-3150 devices as recommended by the vendor.
3
What type of attack does ZDI-26-514 allow?
ZDI-26-514 allows network-adjacent attackers to bypass authentication on vulnerable devices.
4
Is authentication required to exploit ZDI-26-514?
No, authentication is not required to exploit the vulnerability described in ZDI-26-514.
5
Which devices are affected by ZDI-26-514?
ZDI-26-514 affects installations of Phoenix Contact CHARX SEC-3150 devices.