Critical severity · published Sep 9, 2025
CVE-2025-40594
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)
9.8
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SG
SINAMICS G220 V6.4 · Siemens
before V6.4 HF2 · source: vendor
SS
SINAMICS S200 V6.4 · Siemens
before V6.4 HF7 · source: vendor
SS
SINAMICS S210 V6.4 · Siemens
before V6.4 HF2 · source: vendor
SG
Sinamics G220 Firmware · Siemens
6.4; 6.4 · source: NVD
SS
Sinamics S200 Firmware · Siemens
6.4 · source: NVD
SS
Sinamics S210 Firmware · Siemens
6.4; 6.4 · source: NVD