CVE-2025-41749
HIGHPhoenix Contact FL SWITCH Firmware < 3.50 - Unauthenticated Cross-Site Scripting via port_util.php
Title source: llmDescription
An XSS vulnerability in port_util.php can be used by an unauthenticated remote attacker to trick an authenticated user to click on the link provided by the attacker in order to change parameters available via web based management (WBM). The vulnerability does not provide access to system-level resources such as operating system internals or privileged functions. Access is limited to device configuration parameters that are available in the context of the web application. The session cookie is secured by the httpOnly Flag. Therefore an attacker is not able to take over the session of an authenticated user.
References (1)
Core 1
Core References
Vendor Advisory
https://certvde.com/de/advisories/VDE-2025-071
Scores
CVSS v3
7.1
EPSS
0.0056
EPSS Percentile
42.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (50)
phoenixcontact/fl_nat_2008_firmware
< 3.50
phoenixcontact/fl_nat_2208_firmware
< 3.50
phoenixcontact/fl_nat_2304-2gc-2sfp_firmware
< 3.50
phoenixcontact/fl_switch_2005_firmware
< 3.50
phoenixcontact/fl_switch_2008_firmware
< 3.50
phoenixcontact/fl_switch_2008f_firmware
< 3.50
phoenixcontact/fl_switch_2016_firmware
< 3.50
phoenixcontact/fl_switch_2105_firmware
< 3.50
phoenixcontact/fl_switch_2108_firmware
< 3.50
phoenixcontact/fl_switch_2116_firmware
< 3.50
... and 40 more
Published
Dec 09, 2025
Tracked Since
Feb 18, 2026