CVE-2020-3330 Cisco Small Business RV110W Wireless-N VPN Firewall Static Default Credential Vulnerability

What is CVE-2020-3330?

CVE-2020-3330 is a critical vulnerability in Cisco RV110W Wireless-N VPN Firewall Firmware, published on 16 Jul 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in the Telnet service of Cisco Small Business RV110W Wireless-N VPN Firewall Routers could allow an unauthenticated, remote attacker to take full control of the device with a high-privileged account. The vulnerability exists because a system account has a default and static password. An attacker could exploit this vulnerability by using this default account to connect to the affected system. A successful exploit could allow the attacker to gain full control of an affected device.

Weakness: CWE-798

Which versions are affected by CVE-2020-3330?

It affects 1 product.

Products include Cisco Rv110w Wireless-N Vpn Firewall Firmware.

How do I fix CVE-2020-3330?

No fix has been published for CVE-2020-3330 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-3330 being exploited?

There is no known exploitation of CVE-2020-3330 in the wild and no public exploit code.

Other vulnerabilities in Cisco RV110W Wireless-N VPN Firewall Firmware

• CVE-2020-3323 Command injection in Cisco Small Business RV Series Router Firmware Critical 9.8
• CVE-2020-3331 Cisco RV110W and RV215W Series Routers Arbitrary Code Execution Vulnerability Critical 9.8
• CVE-2016-1395 Command injection in n/a Critical 9.8
• CVE-2020-3146 Cisco RV110W, RV130, RV130W, and RV215W Routers Management Interface Remote Command Execution Multiple Vulnerabilities High 8.8
• CVE-2015-6397 Privilege escalation in n/a High 8.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6925-92m9-84w6.