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CVE-2023-35137

7.5 · HIGH
Published Nov 30, 2023 zyxel CWE-287 EPSS 0.87% (56th pctl)

Overview

CVE-2023-35137 is a high-severity vulnerability affecting zyxel nas326_firmware. It was published on November 30, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

An improper authentication vulnerability in the authentication module of the Zyxel NAS326 firmware version V5.21(AAZF.14)C0 and NAS542 firmware version V5.21(ABAG.11)C0 could allow an unauthenticated attacker to obtain system information by sending a crafted URL to a vulnerable device.

Remediation

Check the references section for vendor advisories and patches from zyxel. Update nas326_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 nas326_firmware 0 Affected
zyxel nas542_firmware 0 Affected

Frequently Asked Questions

What is CVE-2023-35137?

CVE-2023-35137 is a high-severity vulnerability affecting zyxel nas326_firmware. It was published on November 30, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-35137?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-35137?

Check the references section for vendor advisories and patches from zyxel. Update nas326_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-2023-35137?

CyberStrike's AI-powered security agents can automatically detect CVE-2023-35137 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.