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CVE-2023-33009: Buffer overflow due to lack of input size checking

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CVE-2023-33009: Buffer overflow due to lack of input size checking

Severity
10
CVSS
(AV:N/AC:L/Au:N/C:C/I:C/A:C)
Published
05/24/2023
Created
05/31/2023
Added
05/31/2023
Modified
06/06/2023

Description

A buffer overflow vulnerability in the notification function in Zyxel ATP series firmware versions 4.32 through 5.36 Patch 1, USG FLEX series firmware versions 4.50 through 5.36 Patch 1, USG FLEX 50(W) firmware versions 4.25 through 5.36 Patch 1, USG20(W)-VPN firmware versions 4.25 through 5.36 Patch 1, VPN series firmware versions 4.30 through 5.36 Patch 1, ZyWALL/USG series firmware versions 4.25 through 4.73 Patch 1, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions and even a remote code execution on an affected device.

Solution(s)

  • zyxel-firewall-upgrade-latest

References

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