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CVE-2022-34747

Critical

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductZyxel Nas326 Firmware
PublishedSep 6, 2022
First seenSep 6, 2022
Weakness typeCWE-134CWE-134

How to fix

Update
  • zyxel nas326_firmware5.21\(aazf.12\)c0 or later

Affected products

ProductAffected versionsFixed in
zyxel nas326_firmwarev < 5.21\(aazf.12\)c05.21\(aazf.12\)c0

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