High · published December 9, 2025
⚡ An unauthenticated link is all it takes to mess with your settings! An XSS vulnerability in port_util.php can let sneaky attackers manipulate device configurations by tricking authenticated users into clicking their crafted links. 🔥 Think of it like a prank caller who convinces you to change your Wi-Fi password just by sweet-talking you into clicking a link — they don’t get into your house, but they sure can mess with your network! An attacker could alter critical device settings, potentially leading to unauthorized changes in your network configuration. While they can’t access sensitive system-level resources, the ability to manipulate settings could create vulnerabilities or disrupt your network’s functionality.
Think of it like a prank caller who convinces you to change your Wi-Fi password just by sweet-talking you into clicking a link — they don’t get into your house, but they sure can mess with your network! This XSS vulnerability allows an attacker to inject malicious scripts via a crafted link that an authenticated user clicks. While the session cookie is secured with the httpOnly flag, limiting session takeover, the attacker can still influence web management parameters.
An attacker could alter critical device settings, potentially leading to unauthorized changes in your network configuration. While they can’t access sensitive system-level resources, the ability to manipulate settings could create vulnerabilities or disrupt your network’s functionality. Update to the latest version of the affected software that addresses this vulnerability. Educate users to verify links before clicking and consider implementing a Content Security Policy (CSP) to restrict script execution. 🛡️ You've got this! By keeping your software updated and training your users, you're on the path to securing your network. 💪✨
| Product | Versions | Fixed in |
|---|---|---|
| phoenixcontact/fl_switch_2008f_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2016_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2105_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2108_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2116_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2204-2tc-2sfx_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2205_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2206-2fx_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2206-2fx_sm_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2206-2fx_sm_st_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2206-2fx_st_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2206-2sfx_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2206-2sfx_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2206c-2fx_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2207-fx_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2207-fx_sm_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2208_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2208_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2208c_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2212-2tc-2sfx_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2214-2fx_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2214-2fx_sm_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2214-2sfx_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2214-2sfx_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2216_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2216_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2303-8sp1 | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2304-2gc-2sfp_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2306-2sfp_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2306-2sfp_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2308_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2308_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2312-2gc-2sfp_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2314-2sfp_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2314-2sfp_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2316_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2316\/k1_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2316_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2404-2tc-2sfx_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2406-2sfx_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_nat_2008_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_nat_2208_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_nat_2304-2gc-2sfp_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2005_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2008_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2406-2sfx_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2408_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2408_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2412-2tc-2sfx_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2414-2sfx_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2414-2sfx_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2416_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2416_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2504-2gc-2sfp_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2506-2sfp_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2506-2sfp\/k1_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2506-2sfp_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2508_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2508\/k1_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2508_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2512-2gc-2sfp_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2514-2sfp_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2514-2sfp_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2516_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2516_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2608_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2608_pn_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2708_firmware | < 3.50 | 3.50 |
| phoenixcontact/fl_switch_2708_pn_firmware | < 3.50 | 3.50 |