Vulnerability identifier: #VU51990
Vulnerability risk: Low
CVSSv3.1: 6.4 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-401
Exploitation vector: Local network
Exploit availability: No
Vulnerable software:
RV132W ADSL2+ Wireless-N VPN Router
Hardware solutions /
Routers & switches, VoIP, GSM, etc
RV134W VDSL2 Wireless-AC VPN Router
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco Small Business RV160 Series VPN Router
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco Small Business RV160W Wireless-AC VPN Router
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco Small Business RV260 VPN Router
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco Small Business RV260P VPN Router with POE
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco Small Business RV260W Wireless-AC VPN Router
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco RV340 Dual WAN Gigabit VPN Router
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco RV345 Dual WAN Gigabit VPN Router
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Cisco RV345P Dual WAN Gigabit VPN Router
Hardware solutions /
Routers & switches, VoIP, GSM, etc
Vendor: Cisco Systems, Inc
Description
The vulnerability allows a remote attacker to perform DoS attack on the target system.
The vulnerability exists due to missing length validation of certain LLDP packet header fields. A remote attacker on the local network can send a specially crafted LLDP packet and perform denial of service attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
RV132W ADSL2+ Wireless-N VPN Router: 1.0.1.14
External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv-multi-lldp-u7e4chCe
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.