CVE-2025-27082 Overview
CVE-2025-27082 is an arbitrary file write vulnerability affecting the web-based management interface of HPE Aruba Networking ArubaOS. Both the AOS-10 Gateway and AOS-8 Controller/Mobility Conductor operating systems are impacted. An authenticated attacker can upload arbitrary files to the device and execute arbitrary commands on the underlying host operating system. The flaw is classified as CWE-434 (Unrestricted Upload of File with Dangerous Type) and carries a CVSS score of 7.2.
Critical Impact
Authenticated attackers with high-privilege access to the ArubaOS management interface can achieve arbitrary command execution on the underlying host, leading to full compromise of network controller infrastructure.
Affected Products
- HPE Aruba Networking ArubaOS-10 Gateway
- HPE Aruba Networking ArubaOS-8 Controller
- HPE Aruba Networking ArubaOS-8 Mobility Conductor
Discovery Timeline
- 2025-04-08 - CVE-2025-27082 published to NVD
- 2025-11-12 - Last updated in NVD database
Technical Details for CVE-2025-27082
Vulnerability Analysis
The vulnerability resides in the web-based management interface used to administer ArubaOS devices. The interface fails to properly restrict file upload operations, allowing an authenticated user to write files to arbitrary locations on the underlying host operating system. Because ArubaOS controllers and mobility conductors run privileged services on the host, an attacker-controlled file write can be escalated into arbitrary command execution. The result is full compromise of the network controller, including loss of confidentiality, integrity, and availability of any traffic, configuration, or credential material handled by the device.
Root Cause
The issue stems from insufficient validation of file uploads handled by the ArubaOS web management interface, mapped to CWE-434. The interface does not adequately validate the file path, type, or content during upload operations. Attackers can place executable payloads or configuration files in locations that are subsequently parsed or executed by privileged system components.
Attack Vector
Exploitation requires network access to the management interface and authenticated credentials with high privileges on the device. After authenticating, the attacker submits a crafted upload request to the vulnerable endpoint. The malicious file is written outside the expected upload directory and subsequently used to execute commands within the host operating system context. No user interaction is required beyond the attacker session. Refer to the HPE Security Advisory for affected version ranges and technical specifics.
Detection Methods for CVE-2025-27082
Indicators of Compromise
- Unexpected files appearing in system or application directories on ArubaOS controllers following administrative sessions.
- Authenticated sessions to the ArubaOS web management interface originating from unusual source addresses or outside maintenance windows.
- Process execution on the controller host that does not correspond to standard ArubaOS service activity.
- Modifications to configuration files, scripts, or startup items that were not initiated through documented change management.
Detection Strategies
- Monitor management interface authentication logs for high-privilege administrator logins followed by file upload operations.
- Alert on any file write activity to non-standard directories outside of normal firmware upgrade or backup workflows.
- Correlate web management traffic with subsequent shell or command execution events on the controller host.
- Forward ArubaOS syslog and audit data into a centralized analytics platform such as Singularity Data Lake to enable behavioral correlation across network infrastructure.
Monitoring Recommendations
- Restrict management interface access to dedicated administrative networks and log all connection attempts.
- Track changes to administrative account inventory and privilege levels on AOS-8 and AOS-10 systems.
- Continuously monitor for outbound connections from controllers to unexpected external endpoints, which may indicate post-exploitation command-and-control.
- Review HPE security bulletins and integrate vulnerability intelligence feeds into existing identification workflows.
How to Mitigate CVE-2025-27082
Immediate Actions Required
- Apply the patched ArubaOS firmware versions published in the HPE Security Advisory for both AOS-10 GW and AOS-8 Controller/Mobility Conductor.
- Audit administrative accounts on all ArubaOS devices and rotate credentials for any privileged users.
- Restrict access to the web management interface to trusted administrative subnets only.
- Review historical management interface logs for suspicious file uploads or command execution activity.
Patch Information
HPE Aruba Networking has released firmware updates that remediate CVE-2025-27082. Administrators should consult the vendor bulletin at the HPE Support Document for the specific fixed versions corresponding to each AOS-8 and AOS-10 train. Apply updates following standard change management procedures and verify firmware integrity after upgrade.
Workarounds
- Enable the Aruba CLI cluster-security and management interface access controls to limit which interfaces and source addresses can reach the web management service.
- Disable the web-based management interface on devices where command-line administration is sufficient.
- Enforce multi-factor authentication for administrative accounts via integration with an external authentication server.
- Segment ArubaOS controllers into dedicated management VLANs isolated from user and guest networks.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
