ZDI-CAN-15893: (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 Software | Affected Version | How to fix |
|---|---|---|
| Cisco RV340W Firmware |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-15893?
The severity of ZDI-CAN-15893 is considered critical due to the potential for arbitrary code execution.
How do I fix ZDI-CAN-15893?
To fix ZDI-CAN-15893, update the Cisco RV340 router to the latest firmware version provided by Cisco.
What types of attacks does ZDI-CAN-15893 allow?
ZDI-CAN-15893 allows network-adjacent attackers to execute arbitrary code on vulnerable installations.
Is authentication required to exploit ZDI-CAN-15893?
Yes, authentication is required to exploit ZDI-CAN-15893, but the existing mechanism can be bypassed.
Which products are affected by ZDI-CAN-15893?
ZDI-CAN-15893 affects the Cisco RV340 router and its variants.
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