ZDI-CAN-15611: (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 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
Frequently Asked Questions
What is the severity of ZDI-CAN-15611?
The severity of ZDI-CAN-15611 is high due to its potential for arbitrary code execution without authentication.
How do I fix ZDI-CAN-15611?
To fix ZDI-CAN-15611, update your Cisco RV340 router to the latest firmware version provided by Cisco.
Who is affected by ZDI-CAN-15611?
ZDI-CAN-15611 affects installations of Cisco RV340 routers that allow for firmware update handling vulnerabilities.
What type of attack does ZDI-CAN-15611 enable?
ZDI-CAN-15611 enables network-adjacent attackers to execute arbitrary code on vulnerable Cisco RV340 routers.
Is authentication required to exploit ZDI-CAN-15611?
No, authentication is not required to exploit the ZDI-CAN-15611 vulnerability.
- agent/references
- agent/softwarecombine
- agent/title
- agent/severity
- agent/description
- agent/type
- agent/source
- agent/tags
- collector/zdi-advisory
- source/ZDI
- alias/ZDI-22-408
- alias/ZDI-CAN-15611
- alias/CVE-2022-20703
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- agent/event
- vendor/cisco
- canonical/cisco rv340w firmware