CVE-2026-76675 Overview
CVE-2026-76675 is a command injection vulnerability in the command line interface (CLI) of HPE Aruba EdgeConnect SD-WAN Gateways. An authenticated remote attacker with high privileges can inject arbitrary operating system commands through the CLI. Successful exploitation results in complete compromise of the underlying operating system.
The issue affects the confidentiality, integrity, and availability of the gateway and any adjacent systems reachable through it. Because SD-WAN gateways sit at the edge of enterprise networks, compromise provides a foothold for lateral movement into WAN segments and connected sites.
Critical Impact
Authenticated CLI command injection enables arbitrary OS command execution, leading to full gateway takeover and potential pivot into connected WAN environments.
Affected Products
- HPE Aruba Networking EdgeConnect SD-WAN Gateways (see the HPE Security Bulletin for exact fixed versions)
- Command line interface component of EdgeConnect Gateway software
- Deployments exposing CLI access to privileged administrative users
Discovery Timeline
- 2026-09-15 - CVE-2026-76675 published to the National Vulnerability Database (NVD)
- 2026-09-16 - Last updated in NVD; EPSS probability recorded at 1.34% (69.9th percentile)
Technical Details for CVE-2026-76675
Vulnerability Analysis
The vulnerability is a command injection flaw [CWE-77/CWE-78] in the EdgeConnect Gateway CLI. The CLI accepts administrative input and passes portions of it to the underlying shell or operating system without sufficient neutralization of shell metacharacters.
An attacker who already holds high-privilege credentials on the device can supply crafted arguments to a CLI command. The gateway then executes the injected payload in the context of the CLI process on the host operating system.
Because the scope is marked as changed, code execution escapes the CLI sandbox boundary. The attacker gains the ability to modify configuration outside the CLI's intended authorization scope, read sensitive material such as certificates and pre-shared keys, and disrupt traffic flow.
Root Cause
The root cause is improper neutralization of special elements used in an operating system command. The CLI parser constructs shell command strings using operator-supplied values without escaping metacharacters such as ;, |, &, $(), and backticks. Any parameter that is concatenated into a shell invocation becomes an injection primitive.
Attack Vector
Exploitation requires network reachability to the CLI (typically SSH or the management console) and valid high-privilege credentials. No user interaction is required. The attacker authenticates, invokes a vulnerable CLI command, and appends an injection payload to a parameter that is later passed to the OS shell. The injected command runs with the privileges of the CLI process, which is typically sufficient to achieve full device compromise.
No verified public proof-of-concept code is available at this time. Refer to the HPE Security Bulletin for vendor-specific technical detail.
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Stop Exploit AttemptsDetection Methods for CVE-2026-76675
Indicators of Compromise
- Unexpected child processes spawned by the CLI or management daemon on the gateway, particularly sh, bash, nc, curl, wget, or python
- CLI audit log entries containing shell metacharacters such as ;, |, &&, $(), or backticks in command arguments
- Outbound network connections from the gateway management plane to unexpected destinations
- New or modified files in administrative directories, cron entries, or startup scripts not associated with change control
Detection Strategies
- Ingest CLI command history and authentication logs into a SIEM and alert on metacharacter patterns in command arguments
- Correlate privileged CLI sessions with subsequent process execution and outbound network activity on the gateway
- Baseline normal administrator command patterns and flag deviations, especially chained commands during a single session
Monitoring Recommendations
- Forward EdgeConnect syslog, CLI audit, and authentication events to centralized logging in real time
- Monitor privileged account usage on SD-WAN infrastructure and alert on off-hours or geographically anomalous logins
- Track configuration drift on gateway devices and reconcile against approved change tickets
How to Mitigate CVE-2026-76675
Immediate Actions Required
- Apply the fixed EdgeConnect Gateway software version listed in the HPE Security Bulletin as soon as maintenance windows allow
- Restrict management plane access to a dedicated administrative network or jump host, and block CLI reachability from user and internet-facing segments
- Rotate credentials for all privileged accounts on affected gateways and review recent CLI audit logs for suspicious activity
Patch Information
HPE has issued a security bulletin addressing this vulnerability in HPE Aruba Networking EdgeConnect SD-WAN Gateways. Administrators should consult the HPE Security Bulletin for the specific fixed release train and upgrade instructions applicable to their deployment.
Workarounds
- Limit high-privilege CLI accounts to the minimum set of administrators required to operate the gateway
- Enforce multi-factor authentication and source-IP restrictions on SSH and management interfaces
- Enable and centrally collect CLI command auditing so injection attempts are visible for investigation
See the HPE Security Bulletin for vendor-supplied configuration guidance.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
