Vulnerability identifier: #VU9

Vulnerability risk: Medium

CVSSv3.1: 5.9 [CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-1398

CWE-ID: CWE-119

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
RV110W Wireless-N VPN Firewall
Hardware solutions / Routers for home users
RV130W Wireless-N Multifunction VPN Router
Hardware solutions / Routers for home users
RV215W Wireless-N VPN Router
Hardware solutions / Routers for home users

Vendor: Cisco Systems, Inc

Description

A vulnerability in the web-based management interface of Cisco RV110W Wireless-N VPN Firewalls, Cisco RV130W Wireless-N Multifunction VPN Routers, and Cisco RV215W Wireless-N VPN Routers could allow an authenticated, remote attacker to cause a buffer overflow on a targeted system, resulting in a denial of service (DoS) condition.

An attacker can exploit this vulnerability by sending an HTTP request that contains configuration commands with a crafted payload. 

Mitigation
Install updated from vendor's website.

Vulnerable software versions

RV110W Wireless-N VPN Firewall: 1.0.0.2 - 1.2.1.6

RV130W Wireless-N Multifunction VPN Router: 1.0.0.21 - 1.0.3.15

RV215W Wireless-N VPN Router: 1.1.0.5 - 1.3.0.7

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160615-rv3
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCux86664
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCux86675
http://bst.cloudapps.cisco.com/bugsearch/bug/CSCux86669

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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