Rockwell Automation ArmorStart LT EtherNet IP resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Rockwell Automation ArmorStart LT and classified as problematic. This affects an unknown function of the component EtherNet IP. Such manipulation leads to resource consumption. This vulnerability is traded as CVE-2025-9466. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Rockwell Automation ArmorStart LT (the affected version is unknown). It has been rated as critical. Affected by this issue is an unknown code of the component EtherNet IP. The manipulation with an unknown input leads to a resource consumption vulnerability. Using CWE to declare the problem leads to CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. Impacted is availability. CVE summarizes:

A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. During execution of the Achilles EtherNet/IP and CIP grammar tests, the device reboots unexpectedly, causing the Link State Monitor to go down for several seconds.

The advisory is available at rockwellautomation.com. This vulnerability is handled as CVE-2025-9466 since 08/25/2025. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-3435). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

08/25/2025 CVE reserved
01/20/2026 +148 days Advisory disclosed
01/20/2026 +0 days VulDB entry created
02/03/2026 +14 days VulDB entry last update

Sourcesinfo

Advisory: rockwellautomation.com
Status: Confirmed

CVE: CVE-2025-9466 (🔒)
GCVE (CVE): GCVE-0-2025-9466
GCVE (VulDB): GCVE-100-341954
EUVD: 🔒

Entryinfo

Created: 01/20/2026 15:25
Updated: 02/03/2026 05:01
Changes: 01/20/2026 15:25 (65), 02/03/2026 00:49 (1), 02/03/2026 05:01 (9)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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