CVE-2025-9280
Published: 20 January 2026
Summary
CVE-2025-9280 is a high-severity Uncontrolled Resource Consumption (CWE-400) vulnerability in Rockwellautomation Armorstart Lt Firmware. Its CVSS base score is 7.5 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Application or System Exploitation (T1499.004); ranked at the 8.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Threat & Defense at a Glance
Threat & Defense Details
Likely Mitigating ControlsAI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Limiting concurrent sessions directly prevents uncontrolled resource consumption by capping the number of active sessions per user or account.
Analysis identifies uncontrolled resource consumption indicative of denial-of-service or abuse attempts.
Contingency plan testing includes resource exhaustion scenarios to verify recovery, making it harder for attackers to sustain exploits that cause uncontrolled consumption.
Updated contingency plans include current procedures to detect, contain, and recover from resource exhaustion, limiting an attacker's ability to sustain impact from uncontrolled consumption.
Alternate site allows resumption of operations if resource exhaustion at the primary site is exploited to cause unavailability.
Alternate telecommunications services enable resumption of essential functions when primary services become unavailable due to uncontrolled resource consumption.
The team can analyze and respond to resource exhaustion incidents, reducing the impact of attacks that exploit uncontrolled consumption weaknesses.
Timely maintenance support and spare parts enable rapid recovery from failures induced by uncontrolled resource consumption, shortening the impact window of denial-of-service attacks.
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Direct mapping to application/system exploitation causing DoS via resource exhaustion over network (CWE-400).
NVD Description
A security issue exists within ArmorStart® LT that can result in a denial-of-service condition. Fuzzing performed using Defensics causes the device to become unresponsive, requiring a reboot.
Deeper analysisAI
CVE-2025-9280 is a vulnerability within ArmorStart® LT that can result in a denial-of-service condition. The issue was identified through fuzzing performed using Defensics, which causes the device to become unresponsive and requires a reboot to recover. It carries a CVSS v3.1 base score of 7.5 (AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) and is linked to CWE-400 (Uncontrolled Resource Consumption).
The vulnerability is exploitable over the network by unauthenticated attackers with low attack complexity and no user interaction required. Successful exploitation achieves high-impact disruption to availability, rendering the ArmorStart® LT device unresponsive without affecting confidentiality or integrity.
Mitigation details are provided in the Rockwell Automation security advisory SD1768, available at https://www.rockwellautomation.com/en-us/trust-center/security-advisories/advisory.SD1768.html.
Details
- CWE(s)