CVE-2025-40569VulnerabilityPublished 10 Jun 2025Updated 13 Jan 2026

CVE-2025-40569: Siemens RUGGEDCOM RST2428P · Race Condition

Affects Siemens RUGGEDCOM RST2428PSource CVE Database V5

Not known to be exploited · CVSS 4.8 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.1 base score

4.8Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

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

Attack Vector: Network
Attack Complexity: High
Privileges Required: Low
User Interaction: Required
Scope: Unchanged
Confidentiality: None
Integrity: High
Availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: High: A successful attack depends on conditions beyond the attacker's control. That is, a successful attack cannot be accomplished at will, but requires the attacker to invest in some measurable amount of effort in preparation or execution against the vulnerable component before a successful attack can be expected. For example, a successful attack may require an attacker to: gather knowledge about the environment in which the vulnerable target/component exists; prepare the target environment to improve exploit reliability; or inject themselves into the logical network path between the target and the resource requested by the victim in order to read and/or modify network communications (e.g., a man in the middle attack).
Privileges Required: Low: The attacker is authorized with (i.e., requires) privileges that provide basic user capabilities that could normally affect only settings and files owned by a user. Alternatively, an attacker with Low privileges may have the ability to cause an impact only to non-sensitive resources.
User Interaction: Required: Successful exploitation of this vulnerability requires a user to take some action before the vulnerability can be exploited.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: None: There is no loss of confidentiality within the impacted component.
Integrity: High: There is a total loss of integrity, or a complete loss of protection. For example, the attacker is able to modify any/all files protected by the impacted component. Alternatively, only some files can be modified, but malicious modification would present a direct, serious consequence to the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 10 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
Siemens RUGGEDCOM RST2428P	Affected =0	Fixed in–

AI-suggested

1. Upgrade affected Siemens devices to firmware version 3.2 or later as soon as it becomes available to eliminate the race condition vulnerability. 2. Restrict administrative access to the web interface using strong authentication mechanisms, including multi-factor authentication where possible. 3. Implement strict network segmentation to isolate industrial control networks from general IT networks and limit remote access to trusted sources only. 4. Monitor configuration changes and administrative actions on these devices closely using centralized logging and alerting systems to detect suspicious activities promptly. 5. Conduct regular audits of user accounts and permissions to ensure that only authorized personnel have configuration privileges. 6. Employ intrusion detection/prevention systems tailored for industrial protocols to identify anomalous behavior indicative of exploitation attempts. 7. Educate administrators about the risk of concurrent configuration loading and encourage procedural controls to avoid simultaneous configuration operations. 8. Maintain an incident response plan specific to industrial control system compromises to enable rapid containment and recovery.

Description

A vulnerability has been identified in RUGGEDCOM RST2428P (6GK6242-6PA00) (All versions < V3.2), SCALANCE XCH328 (6GK5328-4TS01-2EC2) (All versions < V3.2), SCALANCE XCM324 (6GK5324-8TS01-2AC2) (All versions < V3.2), SCALANCE XCM328 (6GK5328-4TS01-2AC2) (All versions < V3.2), SCALANCE XCM332 (6GK5332-0GA01-2AC2) (All versions < V3.2), SCALANCE XRH334 (24 V DC, 8xFO, CC) (6GK5334-2TS01-2ER3) (All versions < V3.2), SCALANCE XRM334 (230 V AC, 12xFO) (6GK5334-3TS01-3AR3) (All versions < V3.2), SCALANCE XRM334 (230 V AC, 8xFO) (6GK5334-2TS01-3AR3) (All versions < V3.2), SCALANCE XRM334 (230V AC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-3AR3) (All versions < V3.2), SCALANCE XRM334 (24 V DC, 12xFO) (6GK5334-3TS01-2AR3) (All versions < V3.2), SCALANCE XRM334 (24 V DC, 8xFO) (6GK5334-2TS01-2AR3) (All versions < V3.2), SCALANCE XRM334 (24V DC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-2AR3) (All versions < V3.2), SCALANCE XRM334 (2x230 V AC, 12xFO) (6GK5334-3TS01-4AR3) (All versions < V3.2), SCALANCE XRM334 (2x230 V AC, 8xFO) (6GK5334-2TS01-4AR3) (All versions < V3.2), SCALANCE XRM334 (2x230V AC, 2x10G, 24xSFP, 8xSFP+) (6GK5334-5TS01-4AR3) (All versions < V3.2). The "Load Configuration from Local PC" functionality in the web interface of affected products contains a race condition vulnerability. This could allow an authenticated remote attacker to make the affected product load an attacker controlled configuration instead of the legitimate one. Successful exploitation requires that a legitimate administrator invokes the functionality and the attacker wins the race condition.

Impact

For European organizations, especially those operating critical infrastructure such as energy grids, manufacturing plants, transportation networks, and utilities, this vulnerability poses a significant threat to operational integrity. Compromise of device configurations can lead to unauthorized changes in network routing, traffic interception, denial of service, or facilitation of further attacks within industrial control systems. The integrity breach could disrupt industrial processes, cause safety hazards, or result in data exfiltration. Since these devices are often part of essential services, exploitation could have cascading effects on public safety and economic stability. The requirement for authenticated access and administrator action limits the attack surface but does not eliminate risk, particularly in environments where credential management or network segmentation is weak. European organizations with Siemens RUGGEDCOM and SCALANCE devices must consider the potential for targeted attacks by sophisticated threat actors aiming to disrupt critical infrastructure or conduct espionage.

Summary

CVE-2025-40569 identifies a race condition vulnerability (CWE-362) in Siemens RUGGEDCOM RST2428P and multiple SCALANCE series devices, all running firmware versions prior to 3.2. The vulnerability resides in the web interface's 'Load Configuration from Local PC' feature, which allows an authenticated remote attacker to exploit improper synchronization during concurrent execution. Specifically, when a legitimate administrator initiates a configuration load, the attacker can race to have the device load an attacker-controlled configuration file instead of the legitimate one. This race condition arises due to shared resource access without proper locking or synchronization mechanisms, enabling the attacker to interfere with the configuration loading process. Successful exploitation requires the attacker to have low-level privileges (authenticated user) and for an administrator to trigger the configuration load, but does not require direct user interaction from the attacker beyond authentication. The impact is primarily on the integrity of device configurations, potentially allowing attackers to inject malicious configurations that could alter device behavior, disrupt network operations, or facilitate further compromise of industrial control systems. The vulnerability affects a broad range of Siemens industrial networking products widely deployed in critical infrastructure environments. Although no public exploits are known at this time, the medium CVSS score of 4.8 reflects the moderate ease of exploitation combined with significant impact on configuration integrity. Siemens has not yet published patches, but upgrading to firmware version 3.2 or later is expected to resolve the issue. Given the critical role these devices play in industrial networks, the vulnerability poses a tangible risk to operational continuity and security.

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') (opens in a new tab)
Class weaknessLikelihood of exploit: MediumOWASP Top 10 A06:2025: Insecure Design (opens in a new tab)
The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently.
Architecture and Design
In languages that support it, use synchronization primitives. Only wrap these around critical code to minimize the impact on performance.
Architecture and Design
Use thread-safe capabilities such as the data access abstraction in Spring.
Architecture and Design
Minimize the usage of shared resources in order to remove as much complexity as possible from the control flow and to reduce the likelihood of unexpected conditions occurring.
OWASP Cheat Sheets
Abuse Case (opens in a new tab)
Secure Design Principles (opens in a new tab)
OWASP ASVS 4.0.3
V1.11.2 (opens in a new tab)
Attack patterns
Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions (opens in a new tab)
Leveraging Race Conditions (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

cert-portal.siemens.com/productcert/html/ssa-693776.html (opens in a new tab)

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 14 Jan 2026, 00:45 UTC

WeaknessesCWE-362

Technical details

References

Community reviews

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