Vulnerability 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.
CVSS Score
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Zyxel | Nas326 Firmware | < 5.21\(aazf.12\)c0 |
| Zyxel | Nas326 | - |
Related Weaknesses (CWE)
References
- https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerabPatchVendor Advisory
- https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerabPatchVendor Advisory
FAQ
What is CVE-2022-34747?
CVE-2022-34747 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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.
How severe is CVE-2022-34747?
CVE-2022-34747 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2022-34747?
Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Nas326 Firmware, Zyxel Nas326.