cbcvebase.
CVE-2023-4398
published 2023-11-28

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…

high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
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

15 ranges
VendorProductVersion rangeFixed in
linuxlinux_kernel>= 4.19.0 < 5.4.2435.4.243
linuxlinux_kernel>= 5.11.0 < 5.15.1115.15.111
linuxlinux_kernel>= 5.16.0 < 6.1.286.1.28
linuxlinux_kernel>= 5.5.0 < 5.10.1805.10.180
linuxlinux_kernel>= 6.2.0 < 6.2.156.2.15
linuxlinux_kernel>= 6.3.0 < 6.3.26.3.2
zyxelatp_series_firmware
zyxelusg20_vpn_series_firmware
zyxelusg_flex_50_series_firmware
zyxelusg_flex_series_firmware
zyxelvpn_series_firmware
zyxelzld4.16 – 5.37
zyxelzld4.30 – 5.37
zyxelzld4.32 – 5.37
zyxelzld4.50 – 5.37