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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2023-4398

An integer overflow vulnerability in the source code of the QuickSec IPSec toolkit used in the VPN feature of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX ser

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Status
Published
Published
Updated
Assigning organization
Zyxel

Description

An integer overflow vulnerability in the source code of the QuickSec IPSec toolkit used in the VPN feature of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions on an affected device by sending a crafted IKE packet.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Zyxel ATP series firmware

Default version status: unaffected

  • versions 4.32 through 5.37affected

Zyxel USG FLEX series firmware

Default version status: unaffected

  • versions 4.50 through 5.37affected

Zyxel USG FLEX 50(W) series firmware

Default version status: unaffected

  • versions 4.16 through 5.37affected

Zyxel USG20(W)-VPN series firmware

Default version status: unaffected

  • versions 4.16 through 5.37affected

Zyxel VPN series firmware

Default version status: unaffected

  • versions 4.30 through 5.37affected

References