ZDI-CAN-15610: (Pwn2Own) Cisco RV340 NGINX sessionid Directory Traversal Authentication Bypass Vulnerability
This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Cisco RV340 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the configuration of the NGINX web server. When parsing the sessionid cookie, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to bypass authentication on the system.
| 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-15610?
The severity of ZDI-CAN-15610 is considered high due to its authentication bypass vulnerability.
How do I fix ZDI-CAN-15610?
To fix ZDI-CAN-15610, apply the latest firmware update provided by Cisco for the RV340 routers.
Who is affected by ZDI-CAN-15610?
ZDI-CAN-15610 affects installations of Cisco RV340 routers that are running vulnerable firmware versions.
What is the nature of the vulnerability in ZDI-CAN-15610?
ZDI-CAN-15610 is a vulnerability that allows network-adjacent attackers to bypass authentication on affected Cisco RV340 routers.
Can ZDI-CAN-15610 be exploited remotely?
No, ZDI-CAN-15610 requires network adjacency for exploitation, meaning an attacker must be on the same network as the target device.
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