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.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco RV340W Firmware |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-22-408?
The severity of ZDI-22-408 is critical due to its potential for arbitrary code execution without authentication.
How do I fix ZDI-22-408?
To fix ZDI-22-408, users should apply the latest firmware updates provided by Cisco for their RV340 routers.
What type of attacks can exploit ZDI-22-408?
ZDI-22-408 can be exploited by network-adjacent attackers to execute arbitrary code on the affected router.
Do I need authentication to exploit ZDI-22-408?
No, authentication is not required to exploit the ZDI-22-408 vulnerability.
Which devices are affected by ZDI-22-408?
ZDI-22-408 affects Cisco RV340 routers running vulnerable firmware.
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