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CVE-2020-3330

9.8 · CRITICAL

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-p…

Published Jul 16, 2020CWE-798EPSS 3.44%

Overview

CVE-2020-3330 is a critical-severity vulnerability. It was published on July 16, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Reftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv110w-static-cred-BMTWBWTyReftools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-rv110w-static-cred-BMTWBWTy

How CyberStrike helps

Frequently asked questions

What is CVE-2020-3330?

CVE-2020-3330 is a critical-severity vulnerability. It was published on July 16, 2020 and has a CVSS 3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2020-3330?

This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-3330?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-3330?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-3330 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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