CVE-2025-41697
MEDIUMCVSS 6.8/10EPSS 0.20%
Last modified
CVE-2025-41697 is a medium-severity vulnerability rated 6.8/10 on the CVSS scale. 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.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Phoenixcontact | Fl Switch 2708 Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2708 Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2608 Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2608 Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2516 Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2516 Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2514-2sfp Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2514-2sfp Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2512-2gc-2sfp Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2508 Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2508\/K1 Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2508 Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2506-2sfp Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2506-2sfp\/K1 Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2506-2sfp Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2504-2gc-2sfp Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2416 Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2416 Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2414-2sfx Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2414-2sfx Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2412-2tc-2sfx Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2408 Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2408 Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2406-2sfx Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2406-2sfx Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2404-2tc-2sfx Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2316 Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2316\/K1 Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2316 Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2314-2sfp Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2314-2sfp Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2312-2gc-2sfp Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2308 Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2308 Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2306-2sfp Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2306-2sfp Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2304-2gc-2sfp Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2303-8sp1 | < 3.50 |
| Phoenixcontact | Fl Switch 2216 Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2216 Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2214-2sfx Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2214-2sfx Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2214-2fx Sm Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2214-2fx Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2212-2tc-2sfx Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2208c Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2208 Pn Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2208 Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2207-Fx Sm Firmware | < 3.50 |
| Phoenixcontact | Fl Switch 2207-Fx Firmware | < 3.50 |
Showing 50 of 69 affected configurations. See NVD for the full list.
References
- https://certvde.com/de/advisories/VDE-2025-071Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2025-41697?
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.
How severe is CVE-2025-41697?
CVE-2025-41697 has a CVSS score of 6.8/10 (MEDIUM severity). The EPSS model estimates a 0.20% probability of exploitation in the next 30 days.
How do I fix CVE-2025-41697?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2025-41697?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST