CVE-2024-6788 Phoenix Contact: update feature from CHARX controller can be used to reset a low privilege user password
Remote attackers can reset the low-privileged user password via the firmware update feature, gaining unauthorized access to the device.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-6788?
CVE-2024-6788 is a high-severity authentication bypass vulnerability in PHOENIX CONTACT CHARX SEC-3000, published on 13 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A remote unauthenticated attacker can use the firmware update feature on the LAN interface of the device to reset the password for the predefined, low-privileged user “user-app” to the default password.
Weakness: CWE-1392
Which versions are affected by CVE-2024-6788?
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-2024-6788?
No fix has been published for CVE-2024-6788 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2024-6788 being exploited?
There is no known exploitation of CVE-2024-6788 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-2025-25271 OCPP Backend Configuration via Insecure Defaults
- CVE-2024-26288 PHOENIX CONTACT: Lack of SSL support in CHARX Series
Sources
Also known as GHSA-xpwm-vrv5-5mgm.