Vulnerability identifier: #VU31756

Vulnerability risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-3331

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
RV110W Wireless-N VPN Firewall
Hardware solutions / Routers for home users
RV215W Wireless-N VPN Router
Hardware solutions / Routers for home users

Vendor: Cisco Systems, Inc

Description

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 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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

RV110W Wireless-N VPN Firewall: 1.2.2.5

RV215W Wireless-N VPN Router: 1.1.0.5 - 1.3.1.5

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-code-exec-wH3BNFb

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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.