Buffer overflow in Cisco Systems, Inc products - CVE-2020-3146
Published: July 22, 2020
Vulnerability identifier: #VU31752
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-3146
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the web-based management interface. A remote authenticated attacker can send a specially crafted HTTP request, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
RV130W Wireless-N Multifunction VPN Router
Cisco Small Business RV130 Series VPN Routers
RV110W Wireless-N VPN Firewall
RV215W Wireless-N VPN Router
Cisco Small Business RV130 Series VPN Routers
RV110W Wireless-N VPN Firewall
RV215W Wireless-N VPN Router
How to mitigate CVE-2020-3146
Install updates from vendor's website.
RV130W Wireless-N Multifunction VPN Router - update to 1.0.3.55
Cisco Small Business RV130 Series VPN Routers - update to 1.0.3.55
RV110W Wireless-N VPN Firewall - update to 1.2.2.8
RV215W Wireless-N VPN Router - update to 1.3.1.7
Cisco Small Business RV130 Series VPN Routers - update to 1.0.3.55
RV110W Wireless-N VPN Firewall - update to 1.2.2.8
RV215W Wireless-N VPN Router - update to 1.3.1.7