SonicWall was recently informed by trusted security partners that the vulnerability CVE-2021-20035 could be actively exploited. The vulnerability affects older firmware versions of the SMA 100 series and was already published in an official advisory in September 2021 - including a corresponding security update. In this blog post you will find all the relevant information - so that you can act quickly if you are affected.
Specifically, all companies that continue to use older versions of the SMA 100 firmware are affected. The vulnerability can potentially be exploited remotely, resulting in a serious security risk. In our technical article on IT security, you can find out how you can protect your systems in a targeted and effective manner.
SonicWall strongly recommends that all affected customers update to the following version:
Firmware-Version: 10.2.1.14-75sv
The official security advisory can be found here: 🔗 SonicWall Advisory SNWLID-2021-0022
Immediate action can help to ensure your network security. We recommend:
Do you need support with updating or checking your security measures? We would be happy to help you - just get in touch! Interested in a SonicWall project? Simply submit your request using our request form!
Also from SonicWall: How to successfully implement NIS2 for a better cyber security standard.