VendorsSiemenssimatic_cn_4100_firmwareall versions
Vulnerabilities

Siemens SIMATIC CN 4100 Firmware

Ranked by severity, then by exploit likelihood. Click a CVE ID for its full record.

20CVEs
CVE-2024-32741
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains hard coded password which is used for the privileged system user `root` and for the boot loader `GRUB` by default . An attacker who manages to crack the password hash gains root access to the device.
Published 2024-05-14 · Analyzed
10.0EPSS 0.006
CVE-2023-29130
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.5). Affected device consists of improper access controls in the configuration files that leads to privilege escalation. An attacker could gain admin access with this vulnerability leading to complete device control.
Published 2023-07-11 · Modified
10.0EPSS 0.006
CVE-2023-29131
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.5). Affected device consists of an incorrect default value in the SSH configuration. This could allow an attacker to bypass network isolation.
Published 2023-07-11 · Modified
10.0EPSS 0.004
CVE-2025-39682
tls: fix handling of zero-length records on the rx_list
Published 2025-09-05 · Analyzed
9.8KEVEPSS 0.020
CVE-2024-32740
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains undocumented users and credentials. An attacker could misuse the credentials to compromise the device locally or over the network.
Published 2024-05-14 · Analyzed
9.8EPSS 0.007
CVE-2023-49621
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The "intermediate installation" system state of the affected application uses default credential with admin privileges. An attacker could use the credentials to gain complete control of the affected device.
Published 2024-01-09 · Analyzed
9.8EPSS 0.006
CVE-2025-40938
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.
Published 2025-12-09 · Analyzed
9.8EPSS 0.004
CVE-2026-22924
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.
Published 2026-05-12 · Analyzed
9.1EPSS 0.003
CVE-2025-40937
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.
Published 2025-12-09 · Analyzed
8.8EPSS 0.006
CVE-2023-49251
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The "intermediate installation" system state of the affected application allows an attacker to add their own login credentials to the device. This allows an attacker to remotely login as root and take control of the device even after the affected device is fully set up.
Published 2024-01-09 · Analyzed
8.8EPSS 0.005
CVE-2026-22925
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.
Published 2026-05-12 · Analyzed
8.7EPSS 0.003
CVE-2026-31431
crypto: algif_aead - Revert to operating out-of-place
Published 2026-04-22 · Analyzed
7.8KEVEPSS 0.999
CVE-2025-38502
bpf: Fix oob access in cgroup local storage
Published 2025-08-16 · Modified
7.8EPSS 0.002
CVE-2024-32742
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V3.0). The affected device contains an unrestricted USB port. An attacker with local access to the device could potentially misuse the port for booting another operating system and gain complete read/write access to the filesystem.
Published 2024-05-14 · Analyzed
7.6EPSS 0.004
CVE-2023-49252
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V2.7). The affected application allows IP configuration change without authentication to the device. This could allow an attacker to cause denial of service condition.
Published 2024-01-09 · Analyzed
7.5EPSS 0.006
CVE-2025-40593
A vulnerability has been identified in SIMATIC CN 4100 (All versions < V4.0). The affected application allows to control the device by storing arbitrary files in the SFTP folder of the device. This could allow an attacker to cause a denial of service condition.
Published 2025-07-08 · Analyzed
7.1EPSS 0.003
CVE-2025-40940
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.
Published 2025-12-09 · Analyzed
6.9EPSS 0.004
CVE-2026-2673
OpenSSL TLS 1.3 server may choose unexpected key agreement group
Published 2026-03-13 · Analyzed
6.5EPSS 0.004
CVE-2025-40941
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.
Published 2025-12-09 · Analyzed
5.3EPSS 0.003
CVE-2025-40939
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.
Published 2025-12-09 · Analyzed
5.1EPSS 0.002