CVE-2025-40594: sinamics g220 Privilege Escalation

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.

Is your site exposed to CVE-2025-40594?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

6.3

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:C/C:N/I:H/A:L

Weakness Type (CWE)

CWE-269 CWE-269

Affected Products

Vendor	Product	Versions
siemens	sinamics_g220_firmware	All
siemens	sinamics_g220_firmware	All
siemens	sinamics_g220	All
siemens	sinamics_s200_firmware	All
siemens	sinamics_s200	All
siemens	sinamics_s210_firmware	All
siemens	sinamics_s210_firmware	All
siemens	sinamics_s210	All

References

Advisories & Patches

https://cert-portal.siemens.com/productcert/html/ssa-027652.html

Frequently Asked Questions

What is 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). 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. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2025-40594? +

CVE-2025-40594 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2025-40594? +

CVE-2025-40594 affects products from siemens, specifically: sinamics_g220, sinamics_g220_firmware, sinamics_s200, sinamics_s200_firmware, sinamics_s210, sinamics_s210_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-40594? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2026-9490

A security vulnerability has been identified in Acer Care Center where the ACCSvc service creates a Named Pipe with a …

CVE-2026-9489

NitroSense 3.x before 3.01.3052 contains Local Privilege Escalation (LPE) vulnerability.The program exposes a Windows Named Pipe that uses a custom …

CVE-2026-7483

Local privilege escalation potentially allowed an attacker to write an arbitrary file with fully controlled content as a privileged user.

CVE-2026-12502

Improper Privilege Management (CWE-269) in `/usr/bin/ltsudo` in Loytec LIP-ME201C, L-INX, L-GATE, L-ROC, L-IOB, L-DALI, L-VIS and L-PAD through 8.4.16 on …

CVE-2026-8069

PredatorSense version 3.00.3136 to 3.00.3196 contain Local Privilege Escalation (LPE) vulnerability.The program exposes a Windows Named Pipe that uses a …

CVE-2026-0276

A privilege escalation vulnerability in Palo Alto Networks Cortex® XDR Broker VM enables a locally authenticated user to perform actions …

CVE-2025-40594