CVE-2025-40594: Critical severity Siemens Sinamics G220 vulnerability
A vulnerability has been identified in SINAMICS G220 V6.4 (All versions < V6.4 HF2), SINAMICS S200 V6.4 (All versions < V6.4 HF7), SINAMICS S210 V6.4 (All versions < V6.4 HF2). The affected devices allow a factory reset to be executed without the required privileges due to improper privilege management as well as manipulation of configuration data because of leaked privileges of previous sessions. This could allow an unauthorized attacker to escalate their privileges.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-40594?
CVE-2025-40594 is classified as a high severity vulnerability due to improper privilege management allowing factory resets.
How do I fix CVE-2025-40594?
To mitigate CVE-2025-40594, upgrade SINAMICS G220 to version 6.4 HF2 or later, and apply recommended patches.
Which products are affected by CVE-2025-40594?
CVE-2025-40594 affects the Siemens SINAMICS G220, S200, and S210 models with specified version constraints.
What type of vulnerability is CVE-2025-40594?
CVE-2025-40594 is an improper privilege management vulnerability that allows unauthorized factory resets.
Can CVE-2025-40594 be exploited remotely?
Yes, CVE-2025-40594 can potentially be exploited remotely if an attacker has access to the affected devices.