Advisory Published

ZDI-22-417: (Pwn2Own) Cisco RV340 update-clients Command Injection Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Cisco RV340 routers. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of the update-clients method. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root.

Affected SoftwareAffected VersionHow to fix
Cisco RV340W Firmware

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Frequently Asked Questions

  • What is the severity of ZDI-22-417?

    The severity of ZDI-22-417 is critical due to the potential for arbitrary code execution.

  • How do I fix ZDI-22-417?

    To fix ZDI-22-417, update your Cisco RV340 router to the latest firmware version provided by Cisco.

  • What kind of attack can exploit ZDI-22-417?

    ZDI-22-417 can be exploited by network-adjacent attackers who can bypass the authentication mechanism.

  • Which devices are affected by ZDI-22-417?

    The vulnerability ZDI-22-417 affects Cisco RV340 routers.

  • Is authentication required to exploit ZDI-22-417?

    Yes, authentication is required to exploit ZDI-22-417, but the mechanism can be bypassed.

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