ArubaosOperating system · Arubanetworks

CVE-2026-23821

HIGH · 7.2 CVSS v3.1 Published 2026-05-12
Fix available
A fix is available. Upgrade to 8.10.0.0 / 8.12.0.7 or later.
See remediation →
78/100
Remediation priority · High
Remotely reachable Zero-click

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability in the configuration processing logic of Access Points running AOS-10 could allow an authenticated remote attacker to execute system commands under certain pre-existing conditions. Successful exploitation could allow an attacker to execute arbitrary commands on the underlying operating system. Note: Access Points running AOS-8 Instant software are not affected by this vulnerability.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · moderate confidence

A command injection vulnerability exists in the configuration processing logic of Aruba Access Points running AOS-10 software. An authenticated remote attacker can execute arbitrary system commands by exploiting how the system handles certain configuration parameters, but only when specific pre-existing conditions are met on the target device.

MitigationApply the vendor-provided patch for AOS-10 when available. Until then, limit administrative access to trusted personnel only and monitor for suspicious configuration changes.

Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
ArubaosOperating system
Affected:>= 6.4.0.0, <= 6.5.4.24>= 8.4.0.0, < 8.10.0.0>= 8.11.0.0, < 8.12.0.7>= 10.3.0.0, < 10.4.1.11>= 10.5.0.0, < 10.7.2.3= 10.8.0.0

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.

dbcve checks

Work through these to decide whether this CVE applies to you.

  1. Identify device model and AOS-10 version
    Log into the Aruba AP CLI or web interface and run 'show version' or check the device dashboard to confirm the hardware model and the exact AOS-10 firmware version installed.
    Affected if The device is an Aruba Access Point running any version of AOS-10 firmware.
  2. Verify administrative access controls
    Review the device configuration by running 'show running-config' or accessing the configuration menu. Check the list of administrative user accounts and their privilege levels. Look for any unauthorized or unexpected accounts.
    Affected if Untrusted or unauthorized accounts exist with administrative privileges, creating the conditions for exploitation.
  3. Audit recent configuration changes
    Use 'show configuration changes' or check the configuration history/logs via the CLI or web interface to review recent modifications to the device configuration, focusing on network settings, ACLs, or custom parameters.
    Affected if Configuration changes were made that introduce unexpected parameters or modify network services, which could indicate exploitation.
  4. Inspect for suspicious processes or network listeners
    Run 'show process' or access diagnostic tools to list running processes. Use 'show ip interface' to verify listening services. Look for unexpected processes or services that may indicate command injection compromise.
    Affected if Unexpected processes are running or unauthorized services are listening on network ports.
  5. Review system logs for command injection indicators
    Check the device logs using 'show logging' or access the syslog/diagnostic logs. Search for entries containing unusual command strings, shell execution, or configuration parameter anomalies.
    Affected if Logs contain suspicious command strings, failed authentication attempts from unexpected sources, or configuration-related errors.

The environment is affected if the Aruba Access Point is running AOS-10 software and has configuration settings or administrative accounts that allow an authenticated attacker to manipulate configuration parameters.

Generated from the published advisory. Verify against your own configuration.

Check your environment

Paste your version and any relevant configuration and it will be compared against the affected criteria above. Do not include secrets or credentials.

AI-assisted, checked against the advisory. Informational, not a guarantee.

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

From vendor data
Upgrade available Upgrade to 8.10.0.0 / 8.12.0.7 / 10.4.1.11 or later
Fixed in 8.10.0.08.12.0.710.4.1.11
Interim mitigation

Apply the vendor-provided patch for AOS-10 when available. Until then, limit administrative access to trusted personnel only and monitor for suspicious configuration changes.

Fix this in Arubaos Scoped from the published advisory
  • Consultation4.0 h
  • Implementation8.0 h
  • Testing12.0 h
  • Review / QA4.0 h
28.0 hours of engineering $4,760
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Scan for this in your stack

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dbcve dependency scanner

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-23821 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data