Zeroshell 3.9.0 Remote Command Execution

Sooraj V Nair
Published on
16 Jun 2021

An attacker can easily exploit this vulnerability by injecting OS commands into the web application if it does not properly sanitize its HTTP parameters. In Zeroshell 3.9.0, a Linux router, this vulnerability allows the attacker to execute code remotely.

Mitigation / Precaution

  • Properly sanitize the parameters.
  • We suggest you to update Zeroshell to a version greater than 3.9.2 in order to fix this vulnerability.
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Written by
Sooraj V Nair
Sooraj V Nair
Cyber Security Engineer
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