CVE-2025-41749
BaseFortify
Publication date: 2025-12-09
Last updated on: 2025-12-09
Assigner: CERT VDE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| phoenix_contact | fl_switch | 3.50 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
What immediate steps should I take to mitigate this vulnerability?
To mitigate this vulnerability, ensure that users are cautious about clicking on untrusted links, especially those that could alter device configuration parameters via the web-based management interface. Since the vulnerability involves an XSS attack vector, applying security best practices such as updating the firmware to the latest version (if available) and restricting access to the web management interface can help reduce risk. Additionally, educating users about the risks of clicking on suspicious links is recommended.
Can you explain this vulnerability to me?
This vulnerability is a Cross-Site Scripting (XSS) issue in the port_util.php file. An unauthenticated remote attacker can craft a link that, when clicked by an authenticated user, can change device configuration parameters accessible via the web-based management interface. However, the attacker cannot access system-level resources or privileged functions, and cannot hijack the user's session because the session cookie is protected by the httpOnly flag.
How can this vulnerability impact me? :
The vulnerability can allow an attacker to manipulate device configuration parameters through the web interface by tricking an authenticated user into clicking a malicious link. This could lead to unauthorized changes in device settings, potentially affecting device behavior or security. However, it does not allow access to operating system internals or privileged functions, nor does it enable session hijacking.