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AUSCERT External Security Bulletin Redistribution
ESB-2021.1165
Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management
Interface Remote Command Execution Vulnerability
8 April 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: RV110W Wireless-N VPN Firewall
RV130 VPN Router
RV130W Wireless-N Multifunction VPN Router
RV215W Wireless-N VPN Router
Publisher: Cisco Systems
Operating System: Cisco
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-1459
Original Bulletin:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-rce-q3rxHnvm
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Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers Management
Interface Remote Command Execution Vulnerability
Priority: Critical
Advisory ID: cisco-sa-rv-rce-q3rxHnvm
First Published: 2021 April 7 16:00 GMT
Version 1.0: Final
Workarounds: No workarounds available
Cisco Bug IDs: CSCvx05139
CVE Names: CVE-2021-1459
CWEs: CWE-119
Summary
o A vulnerability in the web-based management interface of Cisco Small
Business RV110W, RV130, RV130W, and RV215W Routers could allow an
unauthenticated, remote attacker to execute arbitrary code on an affected
device.
The vulnerability is due to improper validation of user-supplied input in
the web-based management interface. An attacker could exploit this
vulnerability by sending crafted HTTP requests to a targeted device. A
successful exploit could allow the attacker to execute arbitrary code as
the root user on the underlying operating system of the affected device.
Cisco has not released software updates that address this vulnerability.
There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-rce-q3rxHnvm
Affected Products
o Vulnerable Products
This vulnerability affects the following Cisco Small Business RV Series
Routers:
RV110W Wireless-N VPN Firewall
RV130 VPN Router
RV130W Wireless-N Multifunction VPN Router
RV215W Wireless-N VPN Router
Determine the Device Configuration
The web-based management interface of these devices is available through a
local LAN connection, which cannot be disabled, or through the WAN
connection if the remote management feature is enabled. By default, the
remote management feature is disabled on these devices.
To determine whether the remote management feature is enabled on a device,
open the web-based management interface and choose Basic Settings > Remote
Management . If the Enable check box is checked, remote management is
enabled on the device.
Products Confirmed Not Vulnerable
Only products listed in the Vulnerable Products section of this advisory
are known to be affected by this vulnerability.
Workarounds
o There are no workarounds that address this vulnerability.
Fixed Software
o Cisco has not released and will not release software updates to address the
vulnerability described in this advisory. The Cisco Small Business RV110W,
RV130, RV130W, and RV215W Routers have entered the end-of-life process.
Customers are advised to refer to the end-of-life notices for these
products:
End-of-Sale and End-of-Life Announcement for the Cisco Small Business RV
Series Routers (selected models)
Customers are encouraged to migrate to the Cisco Small Business RV132W,
RV160, or RV160W Routers.
When considering a device migration, customers are advised to regularly
consult the advisories for Cisco products, which are available from the
Cisco Security Advisories page , to determine exposure and a complete
upgrade solution.
In all cases, customers should ensure that the new devices will be
sufficient for their network needs, the new devices contain sufficient
memory, and current hardware and software configurations will continue to
be supported properly by the new product. If the information is not clear,
customers are advised to contact the Cisco Technical Assistance Center
(TAC) or their contracted maintenance providers.
Exploitation and Public Announcements
o The Cisco Product Security Incident Response Team (PSIRT) is not aware of
any public announcements or malicious use of the vulnerability that is
described in this advisory.
Source
o Cisco would like to thank Treck Zhou for reporting this vulnerability.
Cisco Security Vulnerability Policy
o To learn about Cisco security vulnerability disclosure policies and
publications, see the Security Vulnerability Policy . This document also
contains instructions for obtaining fixed software and receiving security
vulnerability information from Cisco.
URL
o https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-rce-q3rxHnvm
Revision History
o +----------+---------------------------+----------+--------+--------------+
| Version | Description | Section | Status | Date |
+----------+---------------------------+----------+--------+--------------+
| 1.0 | Initial public release. | - | Final | 2021-APR-07 |
+----------+---------------------------+----------+--------+--------------+
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