Linksys CherryBlossom Advisory
If users believe their router firmware may have been compromised, Linksys recommends that users download the latest available firmware from http://www.linksys.com/support/ and update your router.
After the update, please perform a factory reset to ensure no remnants of the compromise remain. Instructions on how to do a factory reset can be found here. If users are not able to perform a firmware update or receive an error message during the update, please contact customer support for further instructions.
We would also like to recommend the following changes after the factory reset is complete to further secure the router:
- Set a strong admin password (one that includes capital letters, numbers, special characters, and a password length of at least 8 characters)
- Disable Guest Access if it is not in use
- Disable router features (like WPS and UPnP®) if they are not being used
Potentially Affected Products
*These product models are no longer being sold by Linksys and have not been sold since August 2013 or earlier.