CVE-2022-34747
First published: Tue Sep 06 2022(Updated: )
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.
Credit: security@zyxel.com.tw
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Zyxel NAS326 firmware | <5.21\(aazf.12\)c0 | |
| Zyxel NAS326 |
Remedy
https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml
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Reference Links
Frequently Asked Questions
What is CVE-2022-34747?
CVE-2022-34747 is a format string vulnerability in Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 that 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 a severity rating of 9.8 (critical).
What software versions are affected by CVE-2022-34747?
Zyxel NAS326 firmware versions prior to V5.21(AAZF.12)C0 are affected by CVE-2022-34747.
How can an attacker exploit CVE-2022-34747?
An attacker can exploit CVE-2022-34747 by sending a crafted UDP packet to the vulnerable Zyxel NAS326 firmware.
Is Zyxel NAS326 hardware affected by CVE-2022-34747?
No, Zyxel NAS326 hardware is not affected by CVE-2022-34747.
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