CVE-2025-25271 OCPP Backend Configuration via Insecure Defaults
An unauthenticated adjacent attacker can configure a new OCPP backend due to insecure default settings in 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-2025-25271?
CVE-2025-25271 is a high-severity 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 is able to configure a new OCPP backend, due to insecure defaults for the configuration interface.
Weakness: CWE-1188
Which versions are affected by CVE-2025-25271?
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-2025-25271?
No fix has been published for CVE-2025-25271 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-25271 being exploited?
There is no known exploitation of CVE-2025-25271 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-2025-25268 Unauthenticated Configuration Access via Exposed API Endpoint
- 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-q8vp-977j-9pjv.