CVE-2022-34747
CRITICALZyxel NAS326 Firmware < 5.21(aazf.12)c0 - Remote Code Execution via UDP Packet Format String
Title source: llmDescription
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.
References (1)
Core 1
Core References
Patch, Vendor Advisory x_refsource_confirm
https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml
Scores
CVSS v3
9.8
EPSS
0.0147
EPSS Percentile
70.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-134
Status
published
Products (1)
zyxel/nas326_firmware
< 5.21\(aazf.12\)c0
Published
Sep 06, 2022
Tracked Since
Feb 18, 2026