Vulnerabilidades do Siemens SIMATIC CN 4100

CVE-2026-22925 Alta · 7.5 CWE-770 12/05/2026

Allocation of Resources Without Limits or Throttling em Siemens Simatic Cn 4100 Firmware

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V5.0). The affected application is susceptible to resource exhaustion when subjected to high volume of TCP SYN packets This could allow an attacker to render the service unavailable and cause denial-of-service conditions by overwhelming system resources.

CVE-2026-22924 Crítica · 9.1 CWE-306 12/05/2026

Missing Authentication for Critical Function em Siemens Simatic Cn 4100 Firmware

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V5.0). The affected application does not properly restrict unauthenticated connections and is susceptible to resource exhaustion conditions. This could allow an attacker to disrupt normal operations or perform unauthorized actions, potentially impacting system availability and integrity.

CVE-2025-40941 Média · 4.3 CWE-200 09/12/2025

Exposure of Sensitive Information em Siemens Simatic Cn 4100 Firmware

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected devices exposes server information in its responses. This could allow an attacker with network access to gain useful information, increasing the likelihood of targeted attacks.

CVE-2025-40940 Média · 4.9 CWE-200 09/12/2025

Exposure of Sensitive Information em Siemens Simatic Cn 4100 Firmware

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected application exhibits inconsistent SNMP behavior, such as unexpected service availability and unreliable configuration handling across protocol versions. This could allow an attacker to access sensitive data, potentially leading to a breach of confidentiality.

CVE-2025-40939 Média · 4.6 CWE-284 09/12/2025

Improper Access Control em Siemens Simatic Cn 4100 Firmware

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.

CVE-2025-40938 Crítica · 9.8 CWE-798 09/12/2025

Use of Hard-coded Credentials em Siemens Simatic Cn 4100 Firmware

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected device stores sensitive information in the firmware. This could allow an attacker to access and misuse this information, potentially impacting the device’s confidentiality, integrity, and availability.

CVE-2025-40937 Alta · 8.8 CWE-77 09/12/2025

Command Injection em Siemens Simatic Cn 4100 Firmware

A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0.1). The affected application do not properly validate input parameters in its REST API, resulting in improper handling of unexpected arguments. This could allow an authenticated attacker to execute arbitrary code with limited privileges.