CVE-2018-0125: Cisco VPN Routers Remote Code Execution Vulnerability
A vulnerability in the web interface of the Cisco RV132W ADSL2+ Wireless-N VPN and RV134W VDSL2 Wireless-AC VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary code and gain full control of an affected system, including issuing commands with root privileges. The attacker could also cause an affected system to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to an incomplete input validation on user-controlled input in an HTTP request to the targeted device. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to execute arbitrary code as the root user and gain full control of the affected system or cause it to reload, resulting in a DoS condition. This vulnerability is fixed in firmware version 1.0.1.11 for the following Cisco products: RV132W ADSL2+ Wireless-N VPN Router and RV134W VDSL2 Wireless-AC VPN Router. Cisco Bug IDs: CSCvg92737, CSCvh60170.
Other sources
A vulnerability in the web interface of the Cisco VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary code as root and gain full control of an affected system.
— CISA
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Cisco RV132W ADSL2+ Wireless-N VPN Routerto a version that resolves this vulnerability.Fixed in 1.0.1.11 - Upgrade
Upgrade
Cisco RV134W VDSL2 Wireless-AC VPN Routerto a version that resolves this vulnerability.Fixed in 1.0.1.11
Event History
Frequently Asked Questions
What is CVE-2018-0125?
CVE-2018-0125 is a vulnerability found in the Cisco VPN Routers that allows an unauthenticated, remote attacker to execute arbitrary code and gain full control of the affected system.
What is the severity of CVE-2018-0125?
The severity of CVE-2018-0125 is critical with a CVSS score of 9.8.
Which Cisco products are affected by CVE-2018-0125?
The Cisco RV132W ADSL2+ Wireless-N VPN Router and RV134W VDSL2 Wireless-AC VPN Router are affected by CVE-2018-0125.
How can an attacker exploit CVE-2018-0125?
An attacker can exploit CVE-2018-0125 by sending malicious requests to the vulnerable web interface of the Cisco VPN Routers.
Are there any known fixes for CVE-2018-0125?
Yes, Cisco has released firmware updates to fix CVE-2018-0125. Users are advised to update their routers to the latest version as soon as possible.