CVEvulnerability

CVE-2025-40939

5.1 MEDIUM Published 2025-12-09 Modified 2026-10-23 Official page ↗
Status
Analyzed
Published
2025-12-09
Last modified
2026-10-23
Assigner
[email protected]
CVSS 4.0 ([email protected])
5.1 MEDIUM — CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1 ([email protected])
4.6 MEDIUM — CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-284

Description

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected device contains a USB port which allows unauthenticated connections. This could allow an attacker with physical access to the device to trigger reboot that could cause denial of service condition.

Affected configurations

• siemens simatic cn 4100 firmware (< 4.0.1)

Related

Weakness · CWE (1)

  • CWE-284 Improper Access Control weakness

References