External risk intelligence

HPE Network Product Remote Code Execution Vulnerability

CVE advisorySeverity: CRITICAL (CVSS 10.0)

CVE-2026-79846

The CVE description is empty, providing no context on the specific product or deployment pattern. While the network attack vector indicates potential remote reachability, there is insufficient evidence to determine if the vulnerable component is commonly deployed as an internet-facing service or if it typically resides behind internal network controls.

Command Injection

Halo Surface Signal: 3 out of 5 — possibly public-facing.

External exposure likelihood

Horizon Alert

Summary of the vulnerability and why it matters

A critical vulnerability has been identified in network-connected technology, potentially allowing unauthorized access and control. The broad impact on internet-facing systems necessitates a review to confirm if our environment is affected. The primary concern is to determine the relevance and exposure of this issue within our specific technology landscape.

Issue allows remote system access.
Critical flaw may impact external services.
Confirm exposure and relevance.

Attack Path

How an attacker could exploit the issue

An attacker could exploit this vulnerability by sending specially crafted network packets to an affected HPE Aruba Networking AOS-CX switch. This could allow them to execute arbitrary code with elevated privileges on the device.

Network exposure required.
Specially crafted packets trigger vulnerability.
Remote code execution risk.

Live Threat

Current exploitation, exposure, and threat context

This vulnerability, when supported by the advisory, could affect system data, user data, and service behavior. The attack vector is network-based, with no authentication or user interaction required, and a low attack complexity. This suggests that an unauthenticated remote attacker could potentially impact the confidentiality, integrity, and availability of the affected system.

System data and service integrity.
Remote network access without authentication.
Unrestricted access to system functions.

Operational Fix

Recommended remediation, mitigation, and detection steps

This CVE affects network-accessible technologies, making initial triage critical. Infrastructure, platform, and security teams should collaborate to identify all instances of the affected technology, assess their exposure and business criticality, and pinpoint the accountable asset owners before planning remediation.

Identify and prioritize affected assets.
Verify network exposure and business criticality.
Coordinate remediation with asset owners.

Supplementary metadata

CVSS vector

Validate whether this threat affects your internet-facing exposure.

Halo Threat Intelligence helps prioritize remediation with Halo Surface Signal and H/A/L/O context. Start exposure validation with a free external attack surface trial.

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Frequently asked questions

What is HPE Aruba Networking AOS-CX?

AOS-CX is a programmable, modular operating system used by HPE Aruba Networking to power their enterprise-grade switches. These devices act as the high-speed connective tissue in data centers and campus networks, managing traffic flow for connected computers, servers, and other infrastructure.

What does CVE-2026-79846 mean for my system?

This is a critical flaw that grants an unauthorized person the ability to execute arbitrary code on a switch. Because it allows a remote attacker to gain elevated privileges without logging in, it effectively bypasses standard security controls, providing the attacker full control over the device's functions.

How is this vulnerability triggered?

An attacker triggers the vulnerability by sending specially crafted network packets to the switch. This issue specifically requires network-level interaction to succeed. Simply navigating to a website or interacting with a user interface on a different system does not initiate this attack; the traffic must be directed at the switch hardware itself.

Why is Halo Surface Signal labeling this as a possible concern?

Halo Surface Signal flags this as 'Possible' because, while the attack is network-based and remote, it is not yet clear if your specific instances of this technology are exposed to the open internet or restricted to internal, private network segments. Understanding your deployment topology is the key factor in determining your actual risk.

How should I start investigating this issue?

First, compile an inventory of all your deployed HPE Aruba Networking AOS-CX switches. Once identified, consult with your network and infrastructure teams to verify which devices have management interfaces or ports accessible via the network. Prioritize these findings based on how critical those specific switches are to your business operations.

References

support.hpe.com/hpesc/public/docDisplay?docId=hpesbnw05162en_us&docLo…

Written by Nicholas Merritt

Nicholas Merritt is VP of Security Solutions at Halo Security. With more than 25 years across application security, vulnerability prioritization, and offensive security, he helps teams translate threat data into practical exposure validation and remediation focus. He authors Halo Threat Intelligence CVE advisories using Halo Surface Signal and H/A/L/O context to prioritize internet-facing risk.