CVE-2024-38266

4.9 · MEDIUM

Published Sep 24, 2024 zyxel CWE-119 EPSS 0.43% (36th pctl) CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H

Overview

CVE-2024-38266 is a medium-severity vulnerability affecting zyxel dx3300-t0_firmware. It was published on September 24, 2024 and has a CVSS 3.1 base score of 4.9 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 4.9, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical Description

An improper restriction of operations within the bounds of a memory buffer in the parameter type parser of the Zyxel VMG8825-T50K firmware versions through 5.50(ABOM.8)C0 could allow an authenticated attacker with administrator privileges to cause potential memory corruptions, resulting in a thread crash on an affected device.

Remediation

Check the references section for vendor advisories and patches from zyxel. Update dx3300-t0_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	dx3300-t0_firmware	>= 0, < 5.50\(abvy.5\)c0	Affected
zyxel	dx3300-t1_firmware	>= 0, < 5.50\(abvy.5\)c0	Affected
zyxel	dx3301-t0_firmware	>= 0, < 5.50\(abvy.5\)c0	Affected
zyxel	dx4510-b0_firmware	>= 0, < 5.17\(abyl.6\)c0	Affected
zyxel	dx4510-b1_firmware	>= 0, < 5.17\(abyl.6\)c0	Affected
zyxel	dx5401-b0_firmware	>= 0, < 5.17\(abyo.6\)c0	Affected
zyxel	dx5401-b1_firmware	>= 0, < 5.17\(abyo.6\)c0	Affected
zyxel	ex3300-t0_firmware	>= 0, < 5.50\(abvy.5\)c0	Affected
zyxel	ex3300-t1_firmware	>= 0, < 5.50\(abvy.5\)c0	Affected
zyxel	ex3301-t0_firmware	>= 0, < 5.50\(abvy.5\)c0	Affected

References

Ref www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-post-authentication-memory-corruption-vulnerabilities-in-some-dsl-ethernet-cpe-fiber-ont-wifi-extender-and-security-router-versions-09-24-2024

Frequently Asked Questions

What is CVE-2024-38266?

CVE-2024-38266 is a medium-severity vulnerability affecting zyxel dx3300-t0_firmware. It was published on September 24, 2024 and has a CVSS 3.1 base score of 4.9 (MEDIUM).

How severe is CVE-2024-38266?

This vulnerability has a CVSS 3.1 base score of 4.9, 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-2024-38266?

How can CyberStrike help with CVE-2024-38266?

CyberStrike's AI-powered security agents can automatically detect CVE-2024-38266 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.

How CyberStrike Helps

Autonomous Discovery

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.

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