CVE-2026-21639
BaseFortify
Publication date: 2026-01-08
Last updated on: 2026-01-14
Assigner: HackerOne
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| ui | airmax_ac_firmware | to 8.7.21 (exc) |
| ui | airmax_ac | * |
| ui | airmax_m_firmware | to 6.3.24 (exc) |
| ui | airmax_m | * |
| ui | airfiber_af60-xg_firmware | to 1.2.3 (exc) |
| ui | airfiber_af60-xg | * |
| ui | airfiber_af60_firmware | to 2.6.8 (exc) |
| ui | airfiber_af60 | * |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-77 | The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability allows a malicious actor within Wi-Fi range to exploit a flaw in the airMAX Wireless Protocol, enabling them to execute remote code on the affected product. This means the attacker can run arbitrary code remotely on devices running vulnerable versions of airMAX AC, airMAX M, airFiber AF60-XG, or airFiber AF60.
How can this vulnerability impact me? :
The vulnerability can lead to remote code execution on affected devices, potentially allowing attackers to take control of the device, disrupt network operations, steal data, or use the device as a foothold for further attacks within the network.
What immediate steps should I take to mitigate this vulnerability?
Update your affected devices to the fixed versions: airMAX AC to Version 8.7.21 or later, airMAX M to Version 6.3.24 or later, airFiber AF60-XG to Version 1.2.3 or later, and airFiber AF60 to Version 2.6.8 or later.