CVE-2022-34747

CVSS V2 None CVSS V3 Critical 9.8

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.

Overview

CVE ID
CVE-2022-34747

Assigner
security@zyxel.com.tw

Vulnerability Status
Analyzed

Published Version
2022-09-06T02:15:07

Last Modified Date
2022-09-08T14:50:28

Weakness Enumerations

CWE	URL
CWE-134	http://cwe.mitre.org/data/definitions/134.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
		AND
cpe:2.3:o:zyxel:nas326_firmware::::::::	1	OR		5.21\(aazf.12\)c0
cpe:2.3:h:zyxel:nas326:-:::::::*	0	OR

CVSS Version 3

Version
3.1

Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
9.8

Base Severity
CRITICAL

Exploitability Score
3.9

Impact Score
5.9

References

Reference URL	Reference Tags
https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2022-34747
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-34747

History

Created	Old Value	New Value	Data Type	Notes
2022-09-06 03:00:06				Added to TrackCVE