CVE-2025-41653VulnerabilityPublished 27 May 2025

CVE-2025-41653: Weidmueller IE-SW-VL05M-5TX · Insufficient Resource Pool

Affects Weidmueller IE-SW-VL05M-5TXSource CVE Database V5

Not known to be exploited · CVSS 7.5 High.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score

7.5High

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

EPSS: 0.6% chance of exploitation in 30 days – higher than 49% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

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

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

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: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
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: None: There is no loss of integrity within the impacted component.
Availability: High: There is total loss of availability, resulting in the attacker being able to fully deny access to resources in the impacted component; this loss is either sustained (while the attacker continues to deliver the attack) or persistent (the condition persists even after the attack has completed). Alternatively, the attacker has the ability to deny some availability, but the loss of availability presents a direct, serious consequence to the impacted component (e.g., the attacker cannot disrupt existing connections, but can prevent new connections; the attacker can repeatedly exploit a vulnerability that, in each instance of a successful attack, leaks a only small amount of memory, but after repeated exploitation causes a service to become completely unavailable).

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 27 May 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 2026-10-26.

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
Weidmueller IE-SW-VL05M-5TX	Affected =0.0.0	Fixed in–

AI-suggested

1. Immediate network segmentation: Isolate the affected IE-SW-VL05M-5TX devices from general IT networks and restrict access to their management interfaces to trusted hosts only. 2. Implement strict firewall rules: Block unsolicited inbound HTTP requests to the device’s web server from untrusted sources to prevent exploitation attempts. 3. Monitor network traffic: Deploy intrusion detection/prevention systems (IDS/IPS) tuned to detect anomalous HTTP headers or malformed requests targeting the device. 4. Vendor engagement: Contact Weidmueller for official patches or firmware updates addressing CVE-2025-41653 and apply them promptly once available. 5. Incident response planning: Prepare for potential DoS incidents by establishing failover mechanisms and backup communication paths to maintain operational continuity. 6. Device inventory and risk assessment: Identify all deployed IE-SW-VL05M-5TX units and assess their criticality within the network to prioritize mitigation efforts. 7. Disable or restrict the web server interface if not required for device management, or replace it with more secure management methods such as SSH or dedicated management networks.

Description

An unauthenticated remote attacker can exploit a denial-of-service vulnerability in the device's web server functionality by sending a specially crafted HTTP request with a malicious header, potentially causing the server to crash or become unresponsive.

Impact

For European organizations, especially those in industrial sectors such as manufacturing, energy, transportation, and utilities, this vulnerability poses a significant threat to operational continuity. The IE-SW-VL05M-5TX is an industrial Ethernet switch used to interconnect devices in operational technology (OT) networks. A successful DoS attack could cause network outages, interrupting communication between critical control systems and devices. This disruption may lead to production downtime, safety risks, and financial losses. Since the attack requires no authentication and can be launched remotely, threat actors could exploit this vulnerability to cause targeted disruptions or as part of broader cyberattacks against industrial environments. The lack of confidentiality or integrity impact reduces the risk of data theft or manipulation, but the availability impact alone can have severe consequences in time-sensitive industrial processes. European organizations with interconnected OT and IT networks may also face challenges in incident response and recovery due to the specialized nature of these devices.

CWE-410Insufficient Resource Pool (opens in a new tab)
Class weakness
The product's resource pool is not large enough to handle peak demand, which allows an attacker to prevent others from accessing the resource by using a (relatively) large number of requests for resources.
Architecture and Design
Do not perform resource-intensive transactions for unauthenticated users and/or invalid requests.
Architecture and Design
Consider implementing a velocity check mechanism which would detect abusive behavior.
Operation
Consider load balancing as an option to handle heavy loads.
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

certvde.com/en/advisories/VDE-2025-044/ (opens in a new tab)

Community reviews

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 11 Jul 2025, 11:48 UTC

WeaknessesCWE-410

Technical details

References

Community reviews

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