CVE-2026-23821: Aruba AOS-10 APs Vulnerable to RCE
The National Vulnerability Database has disclosed CVE-2026-23821, a high-severity vulnerability affecting Access Points running Aruba’s AOS-10. This flaw, rated with a CVSS score of 7.2, resides in the configuration processing logic. It could enable an authenticated remote attacker to execute arbitrary system commands on the underlying operating system.
Successful exploitation hinges on certain pre-existing conditions, though these are not detailed in the public disclosure. The critical takeaway is the potential for full system compromise. Importantly, Access Points running AOS-8 Instant software are explicitly stated as not affected by this vulnerability.
This is a direct command execution threat. For defenders, this means a compromised administrative credential on an AOS-10 AP could rapidly escalate to full control over the device, providing a foothold into the network. Attackers are constantly looking for network edge devices like APs as initial access vectors.
What This Means For You
- If your organization uses Aruba Access Points running AOS-10, prioritize patching immediately. Authenticated remote command execution is a severe risk, allowing an attacker to pivot from a compromised admin account to full device control. Review your configuration management practices and ensure strong authentication is enforced on all network devices.
Related ATT&CK Techniques
🛡️ Detection Rules
2 rules · 6 SIEM formats2 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
CVE-2026-23821: Aruba AOS-10 AP RCE via Configuration Processing
title: CVE-2026-23821: Aruba AOS-10 AP RCE via Configuration Processing
id: scw-2026-05-12-ai-1
status: experimental
level: critical
description: |
Detects the execution of shell commands on Aruba AOS-10 APs, indicative of potential exploitation of CVE-2026-23821. This rule specifically looks for common shell command separators and interpreters often used in command injection attacks, which is the mechanism for this RCE vulnerability. It requires an authenticated attacker and targets the configuration processing logic.
author: SCW Feed Engine (AI-generated)
date: 2026-05-12
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-23821/
tags:
- attack.execution
- attack.t1059.004
logsource:
category: process_creation
detection:
selection:
Image|contains:
- '/bin/sh'
- '/bin/bash'
CommandLine|contains:
- '&&'
- ';'
- '|'
- '`'
- '$()'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-23821 | RCE | Access Points running AOS-10 |
| CVE-2026-23821 | RCE | configuration processing logic |
| CVE-2026-23821 | Command Injection | execute system commands |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | May 12, 2026 at 22:16 UTC |
This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.
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