XSS Vulnerability in Web Management Interface of Networking Device by Vendor
CVE-2025-41747

7.1HIGH

Key Information:

Vendor

Phoenix Contact

Status
Fl Switch 2005
Fl Switch 2008
Fl Switch 2016
Fl Switch 2105
Vendor
CVE Published:
9 December 2025

What is CVE-2025-41747?

An XSS vulnerability identified in the pxc_vlanIntfCfg.php component allows an unauthorized remote attacker to deceive an authenticated user into issuing a manipulated POST request to the networking device. This could alter various configurable parameters accessible through the web-based management interface. The security flaw is confined to the device's configuration settings, without allowing access to more sensitive system-level resources or functions. Importantly, the session cookies are protected by the httpOnly flag, mitigating the risk of session hijacking.

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Affected Version(s)

FL NAT 2008 0.0.0 < 3.50

FL NAT 2208 0.0.0 < 3.50

FL NAT 2304-2GC-2SFP 0.0.0 < 3.50

References

https://certvde.com/de/advisories/VDE-2025-071

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

D. Blagojevic, S. Dietz, F. Koroknai, T. Weber from CyberDanube
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