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Successful exploitation of the flaw could allow attackers to upload files, perform path traversal, and execute arbitrary commands with root privileges.
Non-WLC instances remain unaffected
According to the advisory, customers running IOS XE Software instances on devices that aren’t functioning as WLCs aren’t vulnerable.
The flaw only affects WLC instances that include products like Catalyst 9800-CL Wireless Controllers for Cloud, Catalyst 9800 Embedded Wireless Controller for Catalyst 9300, 9400, and 9500 Series Switches, Catalyst 9800 Series Wireless Controllers, and Embedded Wireless Controller on Catalyst APs. Additionally, Cisco noted that for the exploitation to be successful, the Out-of-Band AP Image Download feature must be enabled on the device, which isn’t a default setting.
The said requirements strike off some widely used Cisco products from the vulnerable products list, including IOS Software, IOS XR Software, Meraki products, NX-OS Software, and WLC AireOS Software.
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