ZDI-22-408: (Pwn2Own) Cisco RV340 Firmware Update Missing Integrity Check Remote Code Execution Vulnerability

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Cisco RV340 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of firmware updates. The issue results from the lack of proper validation of a firmware image when performing an upgrade. An attacker can leverage this vulnerability to execute code in the context of root.

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