# CVE-2025-41697

## Summary

- **CVE ID:** CVE-2025-41697
- **Severity:** MEDIUM
- **CVSS Score:** 6.8 (CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
- **CWE:** CWE-1299
- **Published:** Dec 9, 2025
- **Last Modified:** Mar 12, 2026

## Description

An attacker can use an undocumented UART port on the PCB as a side-channel    to get root access e.g. with the credentials obtained from CVE-2025-41692.

## Affected Products

- Phoenix Contact — FL SWITCH 2005 (0.0.0)
- Phoenix Contact — FL SWITCH 2008 (0.0.0)
- Phoenix Contact — FL SWITCH 2016 (0.0.0)
- Phoenix Contact — FL SWITCH 2105 (0.0.0)
- Phoenix Contact — FL SWITCH 2108 (0.0.0)
- Phoenix Contact — FL SWITCH 2116 (0.0.0)
- Phoenix Contact — FL SWITCH 2204-2TC-2SFX (0.0.0)
- Phoenix Contact — FL SWITCH 2205 (0.0.0)
- Phoenix Contact — FL SWITCH 2206-2FX (0.0.0)
- Phoenix Contact — FL SWITCH 2206-2FX SM (0.0.0)
- Phoenix Contact — FL SWITCH 2206-2FX SM ST (0.0.0)
- Phoenix Contact — FL SWITCH 2206-2FX ST (0.0.0)
- Phoenix Contact — FL SWITCH 2206-2SFX (0.0.0)
- Phoenix Contact — FL SWITCH 2206-2SFX PN (0.0.0)
- Phoenix Contact — FL SWITCH 2206C-2FX (0.0.0)
- Phoenix Contact — FL SWITCH 2207-FX (0.0.0)
- Phoenix Contact — FL SWITCH 2207-FX SM (0.0.0)
- Phoenix Contact — FL SWITCH 2208 (0.0.0)
- Phoenix Contact — FL SWITCH 2208 PN (0.0.0)
- Phoenix Contact — FL SWITCH 2208C (0.0.0)
- Phoenix Contact — FL SWITCH 2212-2TC-2SFX (0.0.0)
- Phoenix Contact — FL SWITCH 2214-2FX (0.0.0)
- Phoenix Contact — FL SWITCH 2214-2FX SM (0.0.0)
- Phoenix Contact — FL SWITCH 2214-2SFX (0.0.0)
- Phoenix Contact — FL SWITCH 2214-2SFX PN (0.0.0)
- Phoenix Contact — FL SWITCH 2216 (0.0.0)
- Phoenix Contact — FL SWITCH 2216 PN (0.0.0)
- Phoenix Contact — FL SWITCH 2304-2GC-2SFP (0.0.0)
- Phoenix Contact — FL SWITCH 2306-2SFP (0.0.0)
- Phoenix Contact — FL SWITCH 2306-2SFP PN (0.0.0)
- Phoenix Contact — FL SWITCH 2308 (0.0.0)
- Phoenix Contact — FL SWITCH 2308 PN (0.0.0)
- Phoenix Contact — FL SWITCH 2312-2GC-2SFP (0.0.0)
- Phoenix Contact — FL SWITCH 2314-2SFP (0.0.0)
- Phoenix Contact — FL SWITCH 2314-2SFP PN (0.0.0)
- Phoenix Contact — FL SWITCH 2316 (0.0.0)
- Phoenix Contact — FL SWITCH 2316 PN (0.0.0)
- Phoenix Contact — FL SWITCH 2404-2TC-2SFX (0.0.0)
- Phoenix Contact — FL SWITCH 2406-2SFX (0.0.0)
- Phoenix Contact — FL SWITCH 2406-2SFX PN (0.0.0)
- Phoenix Contact — FL SWITCH 2408 (0.0.0)
- Phoenix Contact — FL SWITCH 2408 PN (0.0.0)
- Phoenix Contact — FL SWITCH 2412-2TC-2SFX (0.0.0)
- Phoenix Contact — FL SWITCH 2414-2SFX (0.0.0)
- Phoenix Contact — FL SWITCH 2414-2SFX PN (0.0.0)
- Phoenix Contact — FL SWITCH 2416 (0.0.0)
- Phoenix Contact — FL SWITCH 2416 PN (0.0.0)
- Phoenix Contact — FL SWITCH 2504-2GC-2SFP (0.0.0)
- Phoenix Contact — FL SWITCH 2506-2SFP (0.0.0)
- Phoenix Contact — FL SWITCH 2506-2SFP PN (0.0.0)
- Phoenix Contact — FL SWITCH 2508 (0.0.0)
- Phoenix Contact — FL SWITCH 2508 PN (0.0.0)
- Phoenix Contact — FL SWITCH 2512-2GC-2SFP (0.0.0)
- Phoenix Contact — FL SWITCH 2514-2SFP (0.0.0)
- Phoenix Contact — FL SWITCH 2514-2SFP PN (0.0.0)
- Phoenix Contact — FL SWITCH 2516 (0.0.0)
- Phoenix Contact — FL SWITCH 2516 PN (0.0.0)
- Phoenix Contact — FL SWITCH 2608 (0.0.0)
- Phoenix Contact — FL SWITCH 2608 PN (0.0.0)
- Phoenix Contact — FL SWITCH 2708 (0.0.0)
- Phoenix Contact — FL SWITCH 2708 PN (0.0.0)
- Phoenix Contact — FL SWITCH 2303-8SP1 (0.0.0)
- Phoenix Contact — FL NAT 2008 (0.0.0)
- Phoenix Contact — FL NAT 2208 (0.0.0)
- Phoenix Contact — FL NAT 2304-2GC-2SFP (0.0.0)
- Phoenix Contact — FL SWITCH 2008F (0.0.0)
- Phoenix Contact — FL SWITCH 2316/K1 (0.0.0)
- Phoenix Contact — FL SWITCH 2506-2SFP/K1 (0.0.0)
- Phoenix Contact — FL SWITCH 2508/K1 (0.0.0)

## References

- [CNA](https://certvde.com/de/advisories/VDE-2025-071)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.24%
- **EPSS Percentile:** 14.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-11._