Vulnerabilities > CVE-2024-42058 - NULL Pointer Dereference vulnerability in Zyxel ZLD

CVSS 7.5 - HIGH

Attack vector

NETWORK

Attack complexity

LOW

Privileges required

NONE

Confidentiality impact

NONE

Integrity impact

NONE

Availability impact

HIGH

network

low complexity

zyxel

CWE-476

NVD

Published: 2024-09-03

Updated: 2024-12-13

Summary

A null pointer dereference vulnerability in Zyxel ATP series firmware versions from V4.32 through V5.38, USG FLEX series firmware versions from V4.50 through V5.38, USG FLEX 50(W) series firmware versions from V5.20 through V5.38, and USG20(W)-VPN series firmware versions from V5.20 through V5.38 could allow an unauthenticated attacker to cause DoS conditions by sending crafted packets to a vulnerable device.

Vulnerable Configurations

Part	Description	Count
OS	Zyxel Zyxel ZLD 4.32 Zyxel ZLD 4.39 Zyxel ZLD 4.50 Zyxel ZLD 4.55 Zyxel ZLD 4.60 Zyxel ZLD 5.00 Zyxel ZLD 5.10 Zyxel ZLD 5.37 Zyxel ZLD 5.38 Zyxel ZLD 4.20 Zyxel ZLD 4.30	11
Hardware	Zyxel Zyxel Atp100 - Zyxel Atp100W - Zyxel Atp200 - Zyxel Atp500 - Zyxel Atp700 - Zyxel Atp800 - Zyxel USG Flex 100 - Zyxel USG Flex 100Ax - Zyxel USG Flex 100W - Zyxel USG Flex 200 - Zyxel USG Flex 50 - Zyxel USG Flex 500 - Zyxel USG Flex 700 - Zyxel USG Flex 50W - Zyxel USG 20W VPN -	15

Common Weakness Enumeration (CWE)

CWE-476 - NULL Pointer Dereference

References

https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-multiple-vulnerabilities-in-firewalls-09-03-2024