High · published December 9, 2025
⚡ An unauthenticated attacker can craft a sneaky link that manipulates device settings! This XSS vulnerability lurking in pxc_portSfp.php is like a mischievous waiter swapping your order for something you never wanted. 😅 Think of it as a restaurant where the customers can write notes on the order slip, and if one crafty diner slips a note to the waiter, they could change someone else's meal without them knowing. Just like that, an attacker can alter device parameters that an authenticated user is controlling—only if they get that user to click the right link! 🍽️ This vulnerability allows an attacker to exploit an authenticated user's session to change device configuration settings, potentially leading to unwanted adjustments that could disrupt operations. While it doesn't grant full system access, the consequences could still be quite frustrating, like receiving an unexpected dish that ruins your dining experience!
Think of it as a restaurant where the customers can write notes on the order slip, and if one crafty diner slips a note to the waiter, they could change someone else's meal without them knowing. Just like that, an attacker can alter device parameters that an authenticated user is controlling—only if they get that user to click the right link! 🍽️ This XSS vulnerability occurs when user-provided input in pxc_portSfp.php is not properly sanitized, allowing attackers to inject malicious scripts into the web interface. While the session cookie is secured with the httpOnly flag, this does not prevent unauthorized changes to device parameters via crafted links.
This vulnerability allows an attacker to exploit an authenticated user's session to change device configuration settings, potentially leading to unwanted adjustments that could disrupt operations. While it doesn't grant full system access, the consequences could still be quite frustrating, like receiving an unexpected dish that ruins your dining experience! To remediate this, developers should patch the application by upgrading to the latest version where this vulnerability is fixed. Additionally, implement strict input validation and consider using Content Security Policy (CSP) to further mitigate XSS risks. Don't forget to educate users on not clicking suspicious links! You've got this! By following these steps, you can safeguard your applications from this vulnerability and keep your systems safe. 🛡️
| Product | Versions | Fixed in |
|---|---|---|
| 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_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_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 |