SB2022020215 - Remote code execution in Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers
Published: February 2, 2022 Updated: February 8, 2022
Security Bulletin ID
SB2022020215
Severity
Critical
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-20699)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing HTTP requests. A remote attacker can send a specially crafted HTTP request to the device that is acting as SSL VPN Gateway, trigger memory corruption and execute arbitrary code on the target system with root privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.