CVE-2023-4398

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.

Reserved 2023-08-17 | Published 2023-11-28 | Updated 2024-10-17 | Assigner Zyxel

Problem types

CWE-190 Integer Overflow or Wraparound

Product status

Default status
unaffected

versions 4.32 through 5.37
affected

Default status
unaffected

versions 4.50 through 5.37
affected

Default status
unaffected

versions 4.16 through 5.37
affected

Default status
unaffected

versions 4.16 through 5.37
affected

Default status
unaffected

versions 4.30 through 5.37
affected

References

www.zyxel.com/...ltiple-vulnerabilities-in-firewalls-and-aps vendor-advisory

cve.org (CVE-2023-4398)

nvd.nist.gov (CVE-2023-4398)

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