Remote code execution in Cisco Small Business RV110W, RV130, RV130W and RV215W Routers

Published: 2021-04-08
Risk High
Patch available NO
Number of vulnerabilities 1
CVE ID CVE-2021-1459
Exploitation vector Network
Public exploit N/A
Vulnerable software
RV110W Wireless-N VPN Firewall
Hardware solutions / Security hardware applicances

RV130 VPN Router
Hardware solutions / Routers & switches, VoIP, GSM, etc

RV130W Wireless-N Multifunction VPN Router
Hardware solutions / Office equipment, IP-phones, print servers

RV215W Wireless-N VPN Router
Hardware solutions / Office equipment, IP-phones, print servers

Vendor Cisco Systems, Inc

Security Advisory

This security advisory describes one high risk vulnerability.

1) Buffer overflow

Risk: High

CVSSv3.1: 9 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C] [PCI]

CVE-ID: CVE-2021-1459

CWE-ID: CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Exploit availability: No


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 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.


Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

RV110W Wireless-N VPN Firewall:

RV130 VPN Router:

RV130W Wireless-N Multifunction VPN Router:

RV215W Wireless-N VPN Router:

CPE External links

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.