CVE-2022-34747

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 v3 9.8 CRITICAL

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:zyxel:nas326_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:nas326:-:*:*:*:*:*:*:*

History

08 Sep 2022, 14:50

Type	Values Removed	Values Added
First Time		Zyxel nas326 Firmware Zyxel nas326 Zyxel
CPE		cpe:2.3:h:zyxel:nas326:-:::::::* cpe:2.3:o:zyxel:nas326_firmware::::::::
CWE		CWE-134
References	~~(CONFIRM) https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml -~~	(CONFIRM) https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml - Patch, Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 9.8

06 Sep 2022, 04:07

Type	Values Removed	Values Added
New CVE

Information

Published : 2022-09-06 02:15

Updated : 2023-12-10 14:35

NVD link : CVE-2022-34747

Mitre link : CVE-2022-34747

CVE.ORG link : CVE-2022-34747

JSON object : View

Products Affected

zyxel

nas326
nas326_firmware

CWE

CWE-134

Use of Externally-Controlled Format String

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