CVE-2025-40742 affects a broad set of Siemens SIPROTEC 5 and Compact 7SX800 devices. The issue is that some device functions place session identifiers in URL requests, which can expose those identifiers through browser history, logs, or other storage mechanisms. If an attacker obtains such data, it could contribute to unauthorized access. The CVE was published on 2025-07-08 and last modified on 2026-05-12.
CVE-2025-23384 is a network-reachable authentication flaw in multiple Siemens RUGGEDCOM and SCALANCE router and firewall families. The affected devices improperly validate usernames during OpenVPN authentication, which can allow partial invalid usernames to be accepted by the server. NVD rates the issue CVSS 6.3 (MEDIUM).
CVE-2024-56182 describes a weakness in how EFI variables are protected on a broad set of Siemens SIMATIC Field PG and IPC devices. A local, authenticated attacker with high privileges could interact with the flash controller and disable the BIOS password without authorization. NVD rates the issue 8.4 (HIGH).
CVE-2024-56181 is a high-severity weakness in multiple Siemens SIMATIC industrial PC and Field PG products where EFI variables are not sufficiently protected on the device. According to the vendor description, an authenticated attacker with the required access could communicate directly with the flash controller and alter secure boot configuration without proper authorization. That raises concern for devi [truncated]