Siemens Simatic S7-1500 Cpu 1516-3 Pn Dp vulnerabilities

CVE-2026-63350 [CRITICAL] CWE-95 CVE-2026-63350: Affected devices do not properly restrict executable content contained in imported trace files. T Affected devices do not properly restrict executable content contained in imported trace files. This could allow an attacker to social engineer an authorized user who holds the function right “Read diagnostics” into importing a specially crafted trace file. Successful exploitation could allow attacker-controlled JavaScript to execute in the user’s br

CVE-2026-25787 [CRITICAL] CWE-79 CVE-2026-25787: Affected devices do not properly validate and sanitize Technology Object (TO) name rendered on the " Affected devices do not properly validate and sanitize Technology Object (TO) name rendered on the "Motion Control Diagnostics" page of the web interface. This could allow an authenticated attacker who is authorized to download a TIA project into the product, to inject malicious scripts into the page. If a benign user with appropriate rights access

CVE-2026-63354 [CRITICAL] CWE-79 CVE-2026-63354: Affected devices do not properly validate and sanitize visual marker data contained in imported CSV Affected devices do not properly validate and sanitize visual marker data contained in imported CSV trace files before rendering it on the Trace page. This could allow an attacker to social engineer an authorized user who holds the function right “Read diagnostics” into importing a specially crafted trace file. Successful exploitation could allow a

CVE-2026-63353 [CRITICAL] CWE-79 CVE-2026-63353: Affected devices do not properly sanitize comment fields contained in imported trace files before re Affected devices do not properly sanitize comment fields contained in imported trace files before rendering them on the Trace page. This could allow an attacker to social engineer an authorized user who holds the function right “Read diagnostics” into importing a specially crafted trace file. Successful exploitation could allow attacker-controlled

CVE-2026-25786 [CRITICAL] CWE-79 CVE-2026-25786: Affected devices do not properly validate and sanitize PLC/station name rendered on the "communicati Affected devices do not properly validate and sanitize PLC/station name rendered on the "communication" parameters page of the web interface. This could allow an authenticated attacker who is authorized to download a TIA project into the product, to inject malicious scripts into the page. If a benign user with appropriate rights accesses the "commu

CVE-2025-40943 [CRITICAL] CWE-95 CVE-2025-40943: Affected devices do not properly sanitize contents of trace files. This could allow an attacker t Affected devices do not properly sanitize contents of trace files. This could allow an attacker to inject code through social engineering an authorized user, who has the function right "Read diagnostics", to import a specially crafted trace file. The malicious trace file is insufficiently sanitized and malicious code could be executed in the clients

CVE-2025-40820 [HIGH] CWE-940 CVE-2025-40820: Affected products do not properly enforce TCP sequence number validation in specific scenarios but a Affected products do not properly enforce TCP sequence number validation in specific scenarios but accept values within a broad range. This could allow an unauthenticated remote attacker e.g. to interfere with connection setup, potentially leading to a denial of service. The attack succeeds only if an attacker can inject IP packets with spoofed addres

CVE-2023-46156 [HIGH] CWE-416 CVE-2023-46156: Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow Affected devices improperly handle specially crafted packets sent to port 102/tcp. This could allow an attacker to create a denial of service condition. A restart is needed to restore normal operations.

CVE-2023-28831 [HIGH] CWE-190 CVE-2023-28831: The OPC UA implementations (ANSI C and C++) in affected products contain an integer overflow vulnera The OPC UA implementations (ANSI C and C++) in affected products contain an integer overflow vulnerability that could cause the application to run into an infinite loop during certificate validation. This could allow an unauthenticated remote attacker to create a denial of service condition by sending a specially crafted certificate.

CVE-2025-40833 [HIGH] CWE-476 CVE-2025-40833: The affected devices contain a null pointer dereference vulnerability while processing specially cra The affected devices contain a null pointer dereference vulnerability while processing specially crafted IPv4 requests. This could allow an attacker to cause denial of service condition. A manual restart is required to recover the system.

CVE-2021-40365 [HIGH] CWE-20 CVE-2021-40365: Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.

CVE-2021-44695 [HIGH] CWE-1286 CVE-2021-44695: Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.

CVE-2021-44693 [HIGH] CWE-1284 CVE-2021-44693: Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.

CVE-2021-44694 [HIGH] CWE-1287 CVE-2021-44694: Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which Affected devices don't process correctly certain special crafted packets sent to port 102/tcp, which could allow an attacker to cause a denial of service in the device.

CVE-2026-25789 [HIGH] CWE-79 CVE-2026-25789: Affected devices do not properly validate and sanitize filenames on the Firmware Update page. This c Affected devices do not properly validate and sanitize filenames on the Firmware Update page. This could allow a remote attacker to social engineer the user into selecting the modified firmware file to be uploaded. This would result in malitcious JavaScript execution in the context of the authenticated user's session without requiring the file to be up

CVE-2022-38773 [MEDIUM] CWE-1326 CVE-2022-38773: Affected devices do not contain an Immutable Root of Trust in Hardware. With this the integrity of t Affected devices do not contain an Immutable Root of Trust in Hardware. With this the integrity of the code executed on the device can not be validated during load-time. An attacker with physical access to the device could use this to replace the boot image of the device and execute arbitrary code.

CVE-2024-46887 [MEDIUM] CWE-288 CVE-2024-46887: The web server of affected devices do not properly authenticate user request to the '/ClientArea/Run The web server of affected devices do not properly authenticate user request to the '/ClientArea/RuntimeInfoData.mwsl' endpoint. This could allow an unauthenticated remote attacker to gain knowledge about current actual and configured maximum cycle times as well as about configured maximum communication load.

CVE-2026-63357 [MEDIUM] CWE-79 CVE-2026-63357: Affected devices do not properly sanitize calculated signal data contained in imported calculated si Affected devices do not properly sanitize calculated signal data contained in imported calculated signal files before rendering it on the Trace page. This could allow an attacker to social engineer an authorized user who holds the function right “Read diagnostics” into importing a specially crafted file. Successful exploitation could allow attacker-

CVE-2026-63351 [MEDIUM] CWE-79 CVE-2026-63351: Affected devices do not properly validate and sanitize visual properties of calculated signals conta Affected devices do not properly validate and sanitize visual properties of calculated signals contained in imported CSV trace files before rendering them on the Trace page. This could allow an attacker to social engineer an authorized user who holds the function right “Read diagnostics” into importing a specially crafted trace file. Successful expl

CVE-2026-63355 [MEDIUM] CWE-79 CVE-2026-63355: Affected devices do not properly sanitize signal names contained in imported CSV trace files before Affected devices do not properly sanitize signal names contained in imported CSV trace files before rendering them in selection menus on the Trace page. This could allow an attacker to social engineer an authorized user who holds the function right “Read diagnostics” into importing a specially crafted trace file. Attacker-controlled JavaScript could