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CVE-2022-26414

6.0 · MEDIUM
Published Apr 11, 2022 zyxel CWE-120 EPSS 0.21% (11th pctl)

Overview

CVE-2022-26414 is a medium-severity vulnerability affecting zyxel vmg3312-t20a_firmware. It was published on April 11, 2022 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 6.0, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical Description

A potential buffer overflow vulnerability was identified in some internal functions of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0, which could be exploited by a local authenticated attacker to cause a denial of service.

Remediation

Check the references section for vendor advisories and patches from zyxel. Update vmg3312-t20a_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
zyxel emg3525-t50b_firmware >= 0, < 5.50\(abpm.6\)c0 Affected
zyxel emg5523-t50b_firmware >= 0, < 5.50\(abpm.6\)c0 Affected
zyxel emg5723-t50k_firmware >= 0, < 5.50\(abom.7\)c0 Affected
zyxel emg6726-b10a_firmware >= 0, < 5.13\(abnp.7\)c0 Affected
zyxel vmg1312-t20b_firmware >= 0, < 5.50\(absb.5\)c0 Affected
zyxel vmg3625-t50b_firmware >= 0, < 5.50\(abpm.6\)c0 Affected
zyxel vmg3927-b50a_firmware >= 0, < 5.17\(abmt.6\)c0 Affected
zyxel vmg3927-b50b_firmware >= 0, < 5.13\(ably.7\)c0 Affected
zyxel vmg3927-b60a_firmware >= 0, < 5.17\(abmt.6\)c0 Affected

Frequently Asked Questions

What is CVE-2022-26414?

CVE-2022-26414 is a medium-severity vulnerability affecting zyxel vmg3312-t20a_firmware. It was published on April 11, 2022 and has a CVSS 3.1 base score of 6.0 (MEDIUM).

How severe is CVE-2022-26414?

This vulnerability has a CVSS 3.1 base score of 6.0, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2022-26414?

Check the references section for vendor advisories and patches from zyxel. Update vmg3312-t20a_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-2022-26414?

CyberStrike's AI-powered security agents can automatically detect CVE-2022-26414 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.