VulnerabilityPublished 14 Oct 2025

CVE-2025-9177: Rockwell Automation 1715-AENTR EtherNet/IP Adapter · Unthrottled Resource Allocation

Affects Rockwell Automation 1715-AENTR EtherNet/IP AdapterSource CVE Database V5

Not known to be exploited · CVSS 7.7 High.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 4.0 base score

7.7High

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

EPSS: 0.3% chance of exploitation in 30 days – higher than 24% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H

Attack Vector: Network
Attack Complexity: Low
Attack Requirements: None
Privileges Required: None
User Interaction: None
Vulnerable system confidentiality: None
Vulnerable system integrity: None
Vulnerable system availability: None
Subsequent system confidentiality: None
Subsequent system integrity: None
Subsequent system availability: High

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

Attack Vector: Network: The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, 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: The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Attack Requirements: None: The successful attack does not depend on the deployment and execution conditions of the vulnerable system. The attacker can expect to be able to reach the vulnerability and execute the exploit under all or most instances of the vulnerability.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files of the vulnerable system to carry out an attack.
User Interaction: None: The vulnerable system can be exploited without interaction from any human user, other than the attacker.
Vulnerable system confidentiality: None: There is no loss of confidentiality within the Vulnerable System.
Vulnerable system integrity: None: There is no loss of integrity within the Vulnerable System.
Vulnerable system availability: None: There is no impact to availability within the Vulnerable System.
Subsequent system confidentiality: None: There is no loss of confidentiality within the Subsequent System or all confidentiality impact is constrained to the Vulnerable System.
Subsequent system integrity: None: There is no loss of integrity within the Subsequent System or all integrity impact is constrained to the Vulnerable System.
Subsequent system availability: High: There is a total loss of availability, resulting in the attacker being able to fully deny access to resources in the Subsequent System; 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 Subsequent System (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 v4.0 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 14 Oct 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 26 Oct 2026.

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 or the CVSS exploit maturity 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
Rockwell Automation 1715-AENTR EtherNet/IP Adapter	Affected <=3.003	Fixed in–

AI-suggested

Implement strict network segmentation to isolate the 1715-AENTR EtherNet/IP Adapter's management interface from general enterprise and internet-facing networks.
Deploy network-level rate limiting and traffic shaping controls to detect and block excessive request volumes targeting the device's web server port.
Use intrusion detection/prevention systems (IDS/IPS) with signatures or anomaly detection tuned to identify unusual traffic patterns against the adapter.
Restrict access to the web management interface to trusted IP addresses or VPN connections only, minimizing exposure to unauthorized actors.
Monitor device logs and network traffic for signs of repeated or abnormal connection attempts to the web server.
Establish operational procedures to perform timely power cycles if the web interface becomes unresponsive, ensuring minimal disruption.
Engage with Rockwell Automation support channels to obtain firmware updates or patches once available and plan for prompt deployment.
Consider alternative management methods or redundant monitoring solutions to maintain visibility if the web interface is unavailable.
Educate operational technology (OT) staff about this vulnerability and the importance of maintaining strict access controls.
Regularly review and update network architecture to reduce attack surface exposure of critical industrial devices.

Description

A denial-of-service security issue exists in the affected product and version. The security issue stems from a high number of requests sent to the web server. This could result in a web server crash however; this does not impact I/O control or communication . A power cycle is required to recover and utilize the webpage.

Impact

The primary impact of CVE-2025-9177 on European organizations lies in the denial of service to the web management interface of the Rockwell Automation 1715-AENTR EtherNet/IP Adapter. While the core industrial control functions remain unaffected, loss of web interface availability can delay or prevent configuration changes, monitoring, and troubleshooting activities. This can increase operational risk, especially in complex industrial environments where timely access to device management is critical. In sectors such as manufacturing, energy, and utilities, where Rockwell Automation products are widely deployed, this could lead to increased downtime or slower incident response. The requirement for a manual power cycle to recover the web interface may also cause operational inconvenience and potential safety concerns if remote management is relied upon. Since exploitation requires no authentication and can be performed remotely, attackers could disrupt industrial network management from outside the organization, increasing the threat surface. European organizations with interconnected industrial control systems and limited network segmentation are particularly vulnerable. The absence of known exploits reduces immediate risk, but the high CVSS score and ease of exploitation warrant proactive mitigation to avoid potential service interruptions.

Summary

CVE-2025-9177 identifies a denial-of-service (DoS) vulnerability in the Rockwell Automation 1715-AENTR EtherNet/IP Adapter, specifically in firmware versions 3.003 and earlier. The vulnerability is classified under CWE-770, which involves allocation of resources without limits or throttling. The root cause is that the device's embedded web server does not properly limit the number of incoming requests, allowing an attacker to overwhelm it by sending a high volume of requests. This resource exhaustion causes the web server to crash, rendering the web-based management interface unavailable. Importantly, this failure does not affect the adapter's core I/O control or communication capabilities, meaning that industrial control processes continue to operate normally. However, the loss of the web interface can hinder monitoring, diagnostics, and configuration tasks. Recovery from the DoS condition requires a manual power cycle of the device. The vulnerability can be exploited remotely without any authentication or user interaction, making it accessible to unauthenticated attackers on the network. The CVSS 4.0 base score is 7.7 (high), reflecting the network attack vector, low attack complexity, and no privileges or user interaction needed. No patches or firmware updates have been published at the time of disclosure, and no known exploits have been reported in the wild. The vulnerability highlights the importance of resource management in embedded industrial devices, especially those exposed to network traffic. Organizations using this adapter should be aware of the risk of service disruption to their web management interfaces and implement compensating controls to mitigate potential attacks.

CWE-770Allocation of Resources Without Limits or Throttling (opens in a new tab)
Base weaknessLikelihood of exploit: HighCWE Top 25 (2025): #25
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.
Requirements
Clearly specify the minimum and maximum expectations for capabilities, and dictate which behaviors are acceptable when resource allocation reaches limits.
Architecture and Design
Limit the amount of resources that are accessible to unprivileged users. Set per-user limits for resources. Allow the system administrator to define these limits. Be careful to avoid CWE-410.
Architecture and Design
Design throttling mechanisms into the system architecture. The best protection is to limit the amount of resources that an unauthorized user can cause to be expended.
OWASP Cheat Sheets
Abuse Case (opens in a new tab)
OWASP ASVS 4.0.3
V8.1.4 (opens in a new tab)
V13.4.1 (opens in a new tab)
V11.1.4 (opens in a new tab)
Attack patterns
XML Ping of the Death (opens in a new tab)
Exponential Data Expansion (opens in a new tab)
Serialized Data Parameter Blowup (opens in a new tab)
Serialized Data with Nested Payloads (opens in a new tab)
Oversized Serialized Data Payloads (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1757.html (opens in a new tab)

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 14 Oct 2025, 13:23 UTC

WeaknessesCWE-770

Technical details

References

Community reviews

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