CVE-2025-41696 | BDVDB-2026-304739 Detail

Phoenix ContactFL SWITCH 2005

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact none, availability impact none. Attack vector: physical.

Weaknesses#

CWE-798 Use of Hard-coded Credentials

References#

https://certvde.com/de/advisories/VDE-2025-071

Exploit#

No public exploit known

History#

Version 12025-12-09Record published in the CVE List.

Published

Published: 2025-12-09
Last modified: 2025-12-09

Vendor information

Vendor: Phoenix Contact
Product: FL SWITCH 2005

All Phoenix Contact vulnerabilities

Score

4.6 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 11.3.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Hard-coded Credentials

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 0.0.0 and < 3.50
Fixed
3.50

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.6 Medium

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Metric breakdown
Attack Vector	Physical
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	None
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).