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Home > Cybersecurity > Critical flaw found in SonicWall VPN Portal

Critical flaw found in SonicWall VPN Portal

Tripwire VERT security team found a new critical flaw in SonicOS which allows remote code execution.


Erdem Yasar Erdem Yasar
October 17, 2020
1 min read
Critical flaw found in SonicWall VPN Portal

A new flaw found by the Tripwire VERT security team, impacts SonicWall Network Security Appliance’s operating system, SonicOS. The bug in the SonicOS is found in a component that handles custom protocols. The component is exposed on the public internet, allowing attackers to exploit it and remote code execution. 

795,357 SonicWall VPNs vulnerable

The flaw is tracked as CVE-2020-5135 and Tripwire VERT security researcher Craig Young stated that the company identified almost 800,000 SonicWall VPNs online. The bug had a rating of 9.4 out of 10 and it was patched by the SonicWall team shortly after the security firm reported it to the company. The company also stated that they are not aware of any exploit or any customer has been affected by the bug.

The following versions include a fix for the bug:

  • SonicOS 6.5.4.7-83n
  • SonicOS 6.5.1.12-1n
  • SonicOS 6.0.5.3-94o
  • SonicOS 6.5.4.v-21s-987
  • Gen 7 7.0.0.0-2 and onwards

See more Cybersecurity News

A comprehensive guide to understanding Cybersecurity: What is Cybersecurity?


Tags: SonicWallTripwire
Erdem Yasar

Erdem Yasar

Erdem Yasar is a news editor at Cloud7. Erdem started his career by writing video game reviews in 2007 for PC World magazine while he was studying computer engineering. In the following years, he focused on software development with various programming languages. After his graduation, he continued to work as an editor for several major tech-related websites and magazines. During the 2010s, Erdem Yasar shifted his focus to cloud computing, hosting, and data centers as they were becoming more popular topics in the tech industry. Erdem Yasar also worked with various industry-leading tech companies as a content creator by writing blog posts and other articles. Prior to his role at Cloud7, Erdem was the managing editor of T3 Magazine.

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