CVE-2023-28769
9.8 · CRITICALOverview
CVE-2023-28769 is a critical-severity vulnerability affecting zyxel dx5401-b0_firmware. It was published on April 27, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
The buffer overflow vulnerability in the library “libclinkc.so” of the web server “zhttpd” in Zyxel DX5401-B0 firmware versions prior to V5.17(ABYO.1)C0 could allow a remote unauthenticated attacker to execute some OS commands or to cause denial-of-service (DoS) conditions on a vulnerable device.
Remediation
Check the references section for vendor advisories and patches from zyxel. Update dx5401-b0_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 | dx5401-b0_firmware | >= 0, < 5.17\(abyo.1\)c0 | Affected |
Frequently Asked Questions
What is CVE-2023-28769?
CVE-2023-28769 is a critical-severity vulnerability affecting zyxel dx5401-b0_firmware. It was published on April 27, 2023 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2023-28769?
This vulnerability has a CVSS 3.1 base score of 9.8, rated CRITICAL. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2023-28769?
Check the references section for vendor advisories and patches from zyxel. Update dx5401-b0_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-2023-28769?
CyberStrike's AI-powered security agents can automatically detect CVE-2023-28769 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
AI agents map your attack surface to find vulnerabilities like this one.
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