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HIGH · 7.5

CVE-2024-42058

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 vers...

Vulnerability Description

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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
ZyxelZld>= 4.32, < 5.39
ZyxelAtp100-
ZyxelAtp100W-
ZyxelAtp200-
ZyxelAtp500-
ZyxelAtp700-
ZyxelAtp800-
ZyxelUsg Flex 100-
ZyxelUsg Flex 100Ax-
ZyxelUsg Flex 100W-
ZyxelUsg Flex 200-
ZyxelUsg Flex 50-
ZyxelUsg Flex 500-
ZyxelUsg Flex 700-
ZyxelUsg Flex 50W-
ZyxelUsg 20W-Vpn-

Related Weaknesses (CWE)

CWE-476

References

FAQ

What is CVE-2024-42058?

CVE-2024-42058 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 vers...

How severe is CVE-2024-42058?

CVE-2024-42058 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2024-42058?

Check the references section above for vendor advisories and patch information. Affected products include: Zyxel Zld, Zyxel Atp100, Zyxel Atp100W, Zyxel Atp200, Zyxel Atp500.