CVE-2023-22922

A buffer overflow vulnerability in the Zyxel NBG-418N v2 firmware versions prior to V1.00(AARP.14)C0 could allow a remote unauthenticated attacker to cause DoS conditions by sending crafted packets if Telnet is enabled on a vulnerable device.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nbg-418n-v2-home-router	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:zyxel:nbg-418n_firmware:*:*:*:*:*:*:*:*

cpe:2.3:h:zyxel:nbg-418n:v2:*:*:*:*:*:*:*

History

06 May 2023, 03:04

Type	Values Removed	Values Added
CWE		CWE-120
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 7.5
References	~~(CONFIRM) https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nbg-418n-v2-home-router -~~	(CONFIRM) https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-nbg-418n-v2-home-router - Patch, Vendor Advisory
First Time		Zyxel Zyxel nbg-418n Zyxel nbg-418n Firmware
CPE		cpe:2.3:h:zyxel:nbg-418n:v2:::::::* cpe:2.3:o:zyxel:nbg-418n_firmware::::::::

01 May 2023, 17:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2023-05-01 17:15

Updated : 2023-12-10 15:01

NVD link : CVE-2023-22922

Mitre link : CVE-2023-22922

CVE.ORG link : CVE-2023-22922

JSON object : View

Products Affected

zyxel

nbg-418n
nbg-418n_firmware

CWE

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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