ZDI-CAN-11798: Cisco RV340 set_snmp usmUserPrivKey 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 usmUserPrivKey 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-11798?
The severity of ZDI-CAN-11798 is classified as high, due to the potential for arbitrary code execution.
How do I fix ZDI-CAN-11798?
To fix ZDI-CAN-11798, update your Cisco RV340 router to the latest firmware version provided by Cisco.
Who is affected by ZDI-CAN-11798?
ZDI-CAN-11798 affects users of Cisco RV340 routers that allow authentication to exploit the vulnerability.
What type of vulnerability is ZDI-CAN-11798?
ZDI-CAN-11798 is a remote code execution vulnerability that can be exploited by network-adjacent attackers.
What must an attacker do to exploit ZDI-CAN-11798?
An attacker must authenticate to exploit ZDI-CAN-11798, making it necessary to have valid credentials.
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