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CVE-2023-28770

7.5 · HIGH

The sensitive information exposure vulnerability in the CGI “Export_Log” and the binary “zcmd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated att…

Published Apr 27, 2023CWE-200EPSS 57.78%

Overview

CVE-2023-28770 is a high-severity vulnerability. It was published on April 27, 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

The sensitive information exposure vulnerability in the CGI “Export_Log” and the binary “zcmd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated attacker to read the system files and to retrieve the password of the supervisor from the encrypted file.

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

Refpacketstormsecurity.com/files/172277/Zyxel-Chained-Remote-Code-Execution.htmlRefwww.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilitiesRefpacketstormsecurity.com/files/172277/Zyxel-Chained-Remote-Code-Execution.htmlRefwww.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilitiesRefpacketstorm.news/files/id/172277

How CyberStrike helps

Frequently asked questions

What is CVE-2023-28770?

CVE-2023-28770 is a high-severity vulnerability. It was published on April 27, 2023 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-28770?

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-2023-28770?

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-2023-28770?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-28770 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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