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MEDIUM · 4.6

CVE-2025-41696

An attacker can use an undocumented UART port on the PCB as a side-channel with the user hardcoded credentials obtained from CVE-2025-41692 to gain read access to parts of the filesystem of the device...

Vulnerability Description

An attacker can use an undocumented UART port on the PCB as a side-channel with the user hardcoded credentials obtained from CVE-2025-41692 to gain read access to parts of the filesystem of the device.

CVSS Score

4.6

MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE

Affected Products

VendorProductVersions
PhoenixcontactFl Switch 2708 Pn Firmware< 3.50
PhoenixcontactFl Switch 2708 Pn-
PhoenixcontactFl Switch 2708 Firmware< 3.50
PhoenixcontactFl Switch 2708-
PhoenixcontactFl Switch 2608 Pn Firmware< 3.50
PhoenixcontactFl Switch 2608 Pn-
PhoenixcontactFl Switch 2608 Firmware< 3.50
PhoenixcontactFl Switch 2608-
PhoenixcontactFl Switch 2516 Pn Firmware< 3.50
PhoenixcontactFl Switch 2516 Pn-
PhoenixcontactFl Switch 2516 Firmware< 3.50
PhoenixcontactFl Switch 2516-
PhoenixcontactFl Switch 2514-2Sfp Pn Firmware< 3.50
PhoenixcontactFl Switch 2514-2Sfp Pn-
PhoenixcontactFl Switch 2514-2Sfp Firmware< 3.50
PhoenixcontactFl Switch 2514-2Sfp-
PhoenixcontactFl Switch 2512-2Gc-2Sfp Firmware< 3.50
PhoenixcontactFl Switch 2512-2Gc-2Sfp-
PhoenixcontactFl Switch 2508 Pn Firmware< 3.50
PhoenixcontactFl Switch 2508 Pn-

Related Weaknesses (CWE)

CWE-798

References

FAQ

What is CVE-2025-41696?

CVE-2025-41696 is a vulnerability with a CVSS score of 4.6 (MEDIUM). An attacker can use an undocumented UART port on the PCB as a side-channel with the user hardcoded credentials obtained from CVE-2025-41692 to gain read access to parts of the filesystem of the device...

How severe is CVE-2025-41696?

CVE-2025-41696 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-41696?

Check the references section above for vendor advisories and patch information. Affected products include: Phoenixcontact Fl Switch 2708 Pn Firmware, Phoenixcontact Fl Switch 2708 Pn, Phoenixcontact Fl Switch 2708 Firmware, Phoenixcontact Fl Switch 2708, Phoenixcontact Fl Switch 2608 Pn Firmware.