Stack-based buffer overflow in Cisco Systems, Inc products - CVE-2022-20753
Published: May 5, 2022 / Updated: May 27, 2022
Vulnerability identifier: #VU62807
CSH Severity: Low
CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-20753
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in web-based management interface when handling set-snmp JSON RPC requests. A remote administrator can trigger stack-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Cisco RV340 Dual WAN Gigabit VPN Router
Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router
Cisco RV345 Dual WAN Gigabit VPN Router
Cisco RV345P Dual WAN Gigabit VPN Router
Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router
Cisco RV345 Dual WAN Gigabit VPN Router
Cisco RV345P Dual WAN Gigabit VPN Router
How to mitigate CVE-2022-20753
Install updates from vendor's website.
Cisco RV340 Dual WAN Gigabit VPN Router - update to 1.0.03.27
Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router - update to 1.0.03.27
Cisco RV345 Dual WAN Gigabit VPN Router - update to 1.0.03.27
Cisco RV345P Dual WAN Gigabit VPN Router - update to 1.0.03.27
Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router - update to 1.0.03.27
Cisco RV345 Dual WAN Gigabit VPN Router - update to 1.0.03.27
Cisco RV345P Dual WAN Gigabit VPN Router - update to 1.0.03.27