ZDI-CAN-11797: Cisco RV340 set_snmp usmUserAuthKey Command Injection Remote Code Execution Vulnerability
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Cisco RV340 routers. Authentication is required to exploit this vulnerability. The specific flaw exists within the processing of JSON-RPC requests. When parsing the usmUserAuthKey property, the process does not properly validate 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 the www-data user.
| 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-11797?
The severity of ZDI-CAN-11797 is critical due to its potential for arbitrary code execution.
How do I fix ZDI-CAN-11797?
To fix ZDI-CAN-11797, update the affected Cisco RV340 router firmware to the latest version provided by Cisco.
What systems are affected by ZDI-CAN-11797?
ZDI-CAN-11797 affects Cisco RV340 routers, specifically those running vulnerable firmware.
Who can exploit ZDI-CAN-11797?
Network-adjacent attackers with authentication can exploit ZDI-CAN-11797 to execute arbitrary code.
What type of vulnerability is ZDI-CAN-11797?
ZDI-CAN-11797 is a remote code execution vulnerability related to JSON-RPC request processing.
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