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CVE-2021-42892

4.3 · MEDIUM
Published Jun 3, 2022 totolink CWE-798 EPSS 0.73% (52th pctl)

Overview

CVE-2021-42892 is a medium-severity vulnerability affecting totolink ex1200t_firmware. It was published on June 3, 2022 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical Description

In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can start telnet without authorization because the default username and password exists in the firmware.

Remediation

Check the references section for vendor advisories and patches from totolink. Update ex1200t_firmware to the latest patched version. 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.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2021-42892?

CVE-2021-42892 is a medium-severity vulnerability affecting totolink ex1200t_firmware. It was published on June 3, 2022 and has a CVSS 3.1 base score of 4.3 (MEDIUM).

How severe is CVE-2021-42892?

This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-42892?

Check the references section for vendor advisories and patches from totolink. Update ex1200t_firmware to the latest patched version. 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-2021-42892?

CyberStrike's AI-powered security agents can automatically detect CVE-2021-42892 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.