CVE-2022-34747
9.8 · CRITICALOverview
CVE-2022-34747 is a critical-severity vulnerability affecting zyxel nas326_firmware. It was published on September 6, 2022 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
A format string vulnerability in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 could allow an attacker to achieve unauthorized remote code execution via a crafted UDP packet.
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, < 5.21\(aazf.12\)c0 | Affected |
Frequently Asked Questions
What is CVE-2022-34747?
CVE-2022-34747 is a critical-severity vulnerability affecting zyxel nas326_firmware. It was published on September 6, 2022 and has a CVSS 3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2022-34747?
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-2022-34747?
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-2022-34747?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-34747 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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