Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2025-41697

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
09/12/2025
Last modified:
19/12/2025

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.

Impact

Vector 3.x
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 6.80 MEDIUM
Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Physical
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
6.80
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:phoenixcontact:fl_switch_2708_pn_firmware:*:*:*:*:*:*:*:* 3.50 (excluding)
cpe:2.3:h:phoenixcontact:fl_switch_2708_pn:-:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_2708_firmware:*:*:*:*:*:*:*:* 3.50 (excluding)
cpe:2.3:h:phoenixcontact:fl_switch_2708:-:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_2608_pn_firmware:*:*:*:*:*:*:*:* 3.50 (excluding)
cpe:2.3:h:phoenixcontact:fl_switch_2608_pn:-:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_2608_firmware:*:*:*:*:*:*:*:* 3.50 (excluding)
cpe:2.3:h:phoenixcontact:fl_switch_2608:-:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_2516_pn_firmware:*:*:*:*:*:*:*:* 3.50 (excluding)
cpe:2.3:h:phoenixcontact:fl_switch_2516_pn:-:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_2516_firmware:*:*:*:*:*:*:*:* 3.50 (excluding)
cpe:2.3:h:phoenixcontact:fl_switch_2516:-:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_2514-2sfp_pn_firmware:*:*:*:*:*:*:*:* 3.50 (excluding)
cpe:2.3:h:phoenixcontact:fl_switch_2514-2sfp_pn:-:*:*:*:*:*:*:*
cpe:2.3:o:phoenixcontact:fl_switch_2514-2sfp_firmware:*:*:*:*:*:*:*:* 3.50 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools