7.1
Advisory Published

ZDI-22-413: (Pwn2Own) Cisco RV340 Firmware Update Improper Certificate Validation Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Cisco RV340 routers. User interaction is required to exploit this vulnerability in that an administrator must perform a firmware update on the device. The specific flaw exists within the downloading of firmware files via HTTPS. The issue results from the lack of proper validation of the certificate presented by the server. 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-22-413?

    The severity of ZDI-22-413 is considered critical due to the potential for arbitrary code execution.

  • How do I fix ZDI-22-413?

    To fix ZDI-22-413, you should apply the latest firmware update provided by Cisco for the RV340 routers.

  • Who is affected by ZDI-22-413?

    ZDI-22-413 affects installations of Cisco RV340 routers that have not been updated with the latest firmware.

  • Is user interaction required to exploit ZDI-22-413?

    Yes, user interaction is required to exploit ZDI-22-413 as an administrator must perform a firmware update.

  • What type of attacks are possible with ZDI-22-413?

    ZDI-22-413 allows network-adjacent attackers to execute arbitrary code on the affected Cisco RV340 routers.

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