Vulnerability Report

CVE-2025-41697

Title: Undocumented UART Port Leading to Root Access

Other

Proof Of Concept

No public PoC currently indexed for CVE-2025-41697.

CWE Category CWE-1299

Published Date Dec 09, 2025

Modified Date Dec 19, 2025

Exploit Status Not Found

Score 6.8 CVSS v3.1

Exploit Probability (EPSS)

0.21%

Vulnerability Summary

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.

Impacted Vendors

phoenixcontact 69

Reference Links

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

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

6.8

Attack Vector

PHYSICAL

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

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

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2025-41697 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

December 19, 2025 MODIFIED

Vulnerability data or affected products updated.

December 19, 2025 MODIFIED

Vulnerability data updated via NVD.

December 09, 2025 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector PHYSICAL

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


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

Affected Stack

No specific products linked.