Buffer overflow in Cisco Systems, Inc products - CVE-2022-20712

Vulnerability identifier: #VU60260

CSH Severity: High

CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2022-20712

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

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, trigger memory corruption and execute arbitrary code on the target system with non-root privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Cisco RV345P Dual WAN Gigabit VPN Router
Cisco RV345 Dual WAN Gigabit VPN Router
Cisco RV340 Dual WAN Gigabit VPN Router
Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router
Cisco Small Business RV160 Series VPN Router
Cisco Small Business RV260W Wireless-AC VPN Router
Cisco Small Business RV260P VPN Router with POE
Cisco Small Business RV260 VPN Router
Cisco Small Business RV160W Wireless-AC VPN Router

Install updates from vendor's website.

Cisco RV345P Dual WAN Gigabit VPN Router - update to 1.0.03.26
Cisco RV345 Dual WAN Gigabit VPN Router - update to 1.0.03.26
Cisco RV340 Dual WAN Gigabit VPN Router - update to 1.0.03.26
Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router - update to 1.0.03.26

• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-smb-mult-vuln-KA9PK6D

• Multiple vulnerabilities in Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers
• Multiple vulnerabilities in Cisco Small Business RV Series Routers