CVE-2025-25268 Unauthenticated Configuration Access via Exposed API Endpoint
Unauthenticated attackers can read and modify configuration via an exposed API endpoint on Phoenix Contact CHARX SEC devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-25268?
CVE-2025-25268 is a high-severity missing authorization vulnerability in Phoenix Contact CHARX SEC-3000, published on 8 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An unauthenticated adjacent attacker can modify configuration by sending specific requests to an API-endpoint resulting in read and write access due to missing authentication.
Weakness: CWE-306
Which versions are affected by CVE-2025-25268?
It affects 4 products.
Products include Phoenixcontact Charx Sec-3000 Firmware, Phoenixcontact Charx Sec-3050 Firmware, Phoenixcontact Charx Sec-3100 Firmware, Phoenixcontact Charx Sec-3150 Firmware.
How do I fix CVE-2025-25268?
No fix has been published for CVE-2025-25268 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-25268 being exploited?
There is no known exploitation of CVE-2025-25268 in the wild and no public exploit code.
Other vulnerabilities in Phoenix Contact CHARX SEC-3000
- CVE-2025-25270 Remote Code Execution via Unauthenticated Configuration Manipulation
- CVE-2024-25995 PHOENIX CONTACT: Remote code execution in CHARX Series
- CVE-2025-25271 OCPP Backend Configuration via Insecure Defaults
- CVE-2024-26288 PHOENIX CONTACT: Lack of SSL support in CHARX Series
- CVE-2024-6788 Phoenix Contact: update feature from CHARX controller can be used to reset a low privilege user password
Sources
Also known as GHSA-9x27-gx66-668w.